Operation Manual

Mixing Amplifier

PMU-240NA/600NA

MIxIng AMplIfIer

WelcomeWelcomeA personal welcome to you from the management and employees of Inter-M

All of the co-workers here at Inter-M are dedicated to providing excellent products with inherently good value,and we are delighted you have purchased one of our products.

We sincerely trust this product will provide years of satisfactory service, but if anything is not to your completesatisfaction, we will endeavor to make things right.

Welcome to Inter-M, and thank you for becoming part of our worldwide extended family!

RISK OF ELECTRIC SHOCKDO NOT OPEN

CAUTION

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK.DO NOT REMOVE COVER (OR BACK).

NO USER-SERVICEABLE PARTS INSIDE.REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.

ATTENTION : RISQUE DE CHOC ELECTRIQUENE PAS QUVRIR

WARNINGTo prevent fire or shock hazard, do notexpose the unit to rain or moisture.

*WARNING FOR YOUR PROTECTION PLEASE READ THE FOLLOWING-WATER AND MOISTURE: Unit should not be used near water(e.g.near a bathtub, washbowl, kitchen sink, laundry tub, in a wet basement, or near a swimming pool, etc). Care should be taken so than objects donot fall and liquids are not spilled into the enclosure through openings.

*CLASS 2 WIRING (Adjacent to speaker terminal): The speaker output of this apparatus can exceed 10 Watts and could be a shock injury.Connection to speakers should be performed by a skilled person.

*Do not install this equipment in a confined space such as a book case or similar unit.*Warning : To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture and objects filled with liquids, such as vases,should not be placed on this apparatus.

*This apparatus shall be connected to a mains socket outlet with a protective earthing connection.*To completely disconnect this apparatus from the AC mains, disconnect the power supply cord plug from the AC receptacle. *The mains plug of the power supply cord shall remain readily accessible.

CAUTION*These servicing instructions are for use by qualified service personnel only. To reduce the risk of electric shock, do not perform any servicingother than that contained in the operating instructions unless you are qualified to do so.

NOTE*This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits aredesigned to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipmentgenerates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmfulinterference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user willbe required to correct the interference at his own expense.

This symbol is intended to alert the user to thepresence of uninsulated “dangerous voltage” withinthe product’s enclosure that may be of sufficientmagnitude to constitute a risk of electric shock topersons.

This symbol is intended to alert the user to thepresence of important operation and maintenance(servicing) instructions in the literature accompanyingthe appliance.

Caution: To prevent electric shock do not use this (polarized) plug withan extension cord, receptacle or other outlet unless the bladescan be fully inserted to prevent blade exposure.

Attentions: Pour prévenir les chocs électriques ne pas utiliser cettefiche polarisée avec un prolongateur, une prise de couranton une autre sortie de courant, sauf si les lames peuventétre insérées à fond sans en laisser aucune partie àdécouvert.Pour deconnecter completement l’appareil du reseaud’alimentation. deconnecter le cordon d’alimentation de laprise murale. La prise du reseau d’alimentation doit demeurer aisementaccessible.

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1pMU-240nA/600nA

ContentsContentsUnpacking .......................................................................................................................................2

Installationenvironment....................................................................................................................................2Important Safety Instructions.............................................................................................................2

Features............................................................................................................................................3

Package and accessory includes .................................................................................................3

Front Panel .....................................................................................................................................4

Rear Panel .......................................................................................................................................7

Operation ......................................................................................................................................13lCD Display Setup..........................................................................................................................13STArT ...........................................................................................................................................30STAnD BY, WAKe Up....................................................................................................................31AOe STreAM operation .................................................................................................................31AOe STreAM contact closer operation ............................................................................................32I rADIO operation .........................................................................................................................33How to connect pC AUDIO ............................................................................................................34prIOrITY setup ..............................................................................................................................35

How to connect speaker .............................................................................................................39

Application ....................................................................................................................................40

Block Diagram ..............................................................................................................................41

Specifications ...............................................................................................................................................42

Serviceprocedures....................................................................................................................................44Schematic .....................................................................................................................................44parts list .......................................................................................................................................44

Variations and Options ...............................................................................................................44

Warranty .......................................................................................................................................44

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Installation

UnpackingUnpacking Although your pMU-240nA/600nA is neither complicated nor difficult to operate, we recommend you take afew minutes to read this brief manual and familiarize yourself with the important information regarding productfeatures, setup and operation.

As with most electronic devices, we strongly recommend you retain the original packaging. In the unlikely eventthe product must be returned for servicing, the original packaging (or reasonable equivalent) is required.

InstallationEnvironmentnever place this product in an environment which could alter its performance or reduce its service life. Suchenvironments usually include high levels of heat, dust, moisture, and vibration.

IMPORTANT SAFETY INSTRUCTIONS1. read these instructions.2. Keep these instructions.3. Heed all warnings.4. follow all instructions.5. Do not use this apparatus near water.6. Clean only with dry cloth.7. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including

amplifiers) that produce heat.9. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades

with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wideblade or the third prong are provided for your safety. If the provided plug does not fit into your outlet, consultan electrician for replacement of the obsolete outlet.

10. protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, andthe point where they exit from the apparatus.

11. Only use attachments/accessories specified by the manufacturer.12. Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus.

When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over.13. Unplug this apparatus during lightning storms or when unused for long periods of time.14. refer all servicing to qualified service personnel. Servicing is required when the

apparatus has been damaged in any way, such as power-supply cord or plug isdamaged, liquid has been spilled or objects have fallen into the apparatus, theapparatus has been exposed to rain or moisture, does not operate normally, or hasbeen dropped.

S3125A

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Features

Package and accessory includes Package and accessory includes 1. USB cable 1.8M x 1EA2. Power supply cable 2.2Mx 1EA3. Euro Terminal Block (5.08mm pitch) 2P x 6EA4. Euro Terminal Block (3.5mm pitch) 3P x 5EA5. Euro Terminal Block (3.5mm pitch) 10P x 2EA6. LAN cable x 1EA7. User manual x 1EA

Features- 240W/600W CLASS-D AMP

Includes high performance Class-D professional amplifier and supports 240W(pMU-240nA)/600W(pMU-600nA)output power

- 2U SIZE, SMPS(SWITCHING MODE POWER SUPPLY) POWER SUPPLY2U size design, includes high performance and light weight SMpS power supply

- 4.3” TOUCH LCDIncludes 4.3” front panel touch lCD for easy setup

- DSP SETUP FUNCTIONIncludes High performance DSp(Digital Signal processor)

- SUPPORT VARIABLE ANALOG INPUT TYPESupports variable analog input type (MIC, lIne, exT In, Tel In, AUx, 5.5 phone Connector, xlr, rCA)

- HIGH PRIORITY SETUP FOR BROADCASTINGUser can set high priority with grouping

- AOE-212N AUDIO STREAMING WITH CONTACT CLOSUREAOe-212n (InTer M’s audio network streaming device) let to you receive audio data as real-time., AOe-212n’scontact closure provides control function for speaker

- INTERNET RADIOInclude internet radio function through network

- USB DRIVE AUDIO PLAY FUNCTIONUSB thumb drive supports audio play.

- PC AUDIO PLAYUser can play audio through user’s pC

- SWITCH FOR SELECTING SPEAKER POWER AND 3-STEPPED SPEAKER OUTPUT ATTENUATOR (FOR SPEAKER 5 ONLY)Includes input selector, and input 5 provides 3 stepped attenuating function with speaker out level control.

- 4CH AUXILIARY CONTACT CLOSURE (CHIME, MUTE, PRIORITY INPUT, GPI)Contact closure provide user additional device’s control function

- REMOTE CONTROL AND SYSTEM MANAGEMENT SYSTEM THROUGH WEBPAGEUser are able to control device remotely through webpage

- STAND BY, WAKEUP FUNCTIONprovides low power standby mode, system comes to normal condition when the system receives prI contact closure signal.

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Front PanelFront Panel

1. 4.3” TOUCH LCDlCD display provides you system monitoring and easy setup for lCD display operation, please check:Operation chapter on manual > lCD display setup.

2. INPUT SOURCE VOLUME CONTROL AND LED DISPLAYprovides input source volume control with 6-band equalization knobs. Turning the control to the rightamplifies (boosts) the audio volume. for moving to setup mode, press volume control.

※ for moving to setup page #1, press volume 1~6, then press volume 3~6 to move setup page for audiovolume control for USB, AUx, pC AUDIO, neT-WOrK input source.

※ In audio volume setup display 1 or 2 mode, audio volume adjustment touch function will be disabled, usercan control audio volume with volume controller on front panel.

⇒ for setting Input volume, please check the user manual : Operation chapter > lCD display setup >5) SeTUp > ① VOlUMe

240NA

DOWN UP

21 3 4 5 6 7

11 10 9 8

MODe VOlUMe 1 VOlUMe 2 VOlUMe 3 VOlUMe 4 VOlUMe 5 VOlUMe 6 leDindicator

group 1 inputadjustment Input 1 Input 2 Input 3 Input 4 Input 5 Input 6 green

group 2 inputadjustment x x USB AUx pC AUDIO neTWOrK OrAnge

6-BAnD eQadjustment 125Hz 400Hz 1kHz 3.1kHz 8kHz 12.5kHz BlUe

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3. TONE VOLUMEfor adjusting the BASS(100Hz), and TreBle(10kHz) audio frequencies. Turning the control to the rightamplifies (boosts) the corresponding frequency band, while turning the tone controller to the right, user canmonitor the BASS, TreBle volume in 6-BAnD eQ adjustment mode.⇒ for TOne volume setup: please check the user manual: Operation chapter > lCD display setup >

5) SeTUp > ① VOlUMe

4. OUTPUT LEVEL METER INDICATORThis uses leD indicators to show audio signal level with 4 status.

5. MASTER VOLUMEfor adjusting the mater level of the signals received from each audio input volume, turning the control to theright amplifies (boosts) main audio volume.for controlling master volume setup: please check the user manual : Operation chapter > lCD display setup> 5) SeTUp > ① VOlUMe

6. PROTECTION AND LED INDICATORfor protecting circuit against overloaded audio input, leD show protecting system operating status. Whenthere is overload signal form input, the system will cut off the speaker signal.

7. POWER SWITCH AND LED INDICATORprovides switch to turn off the system power.⇒ for controlling power switch: please check the user manual: Operation chapter > get started

8. SPEAKER OUTPUT ZONE SELECT BUTTON AND LED INDICATOR SELECTpress the button (SWITCHeD 1~5 ) corresponding to the speaker zone. Individual pressing button isavailable and All button provides activation all speaker zone in the same time. When this switch is On, itlights up to indicate its output status.

9. CHIME SWITCH AND LED STATUSfor sending chime signal in announcement, press chime button corresponding to orange leD.

⇒ for operating chime function: please check the user manual: Operation chapter > lCD Display > 5) SeTUp> ③ CHIMe

MIx OUToutput level STATUS

-20dB

-9dB

-3dB

0dB(limiter operates)

Blue

green

Orange

red

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10. AUX INPUT CONNECTORprovides ø3.5 Connector corresponding to -10dBu level. please find picture below for find proper its cableconnector type.

11. USB MEMORY CONNECTORprovides USB-A connection. User can play audio file through USB memory.note: Supports fAT 32 format only. User should re-format the nTfS USB thumb drive to fAT 32 throughuser’s pC.

⇒ formats supports only: Mp3, WAV⇒ ID TAg: ID3 (normal Mp3 TAg)※ If other TAg information (Apev2, etc) is included, it may not be played.

⇒ file system : fAT 32 (nTfS not available)⇒ for operating USB drive: please check the user manual: Operation chapter > lCD Display > 3) USB

Memory.

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Rear PanelRear Panel

1. AC INPUT CONNECTORfor connecting the included power cord here. provides replicable fUSe against the over current. SupportsAC 220-240V, 50/60Hz.

2. SPEAKER OUTPUT (SPEAKER OUTPUT) CONNECTORUse commercially available speaker cables to connect the speakers corresponding speaker zone speakerselect switch on the front panel. provides UnSWITCHeD/lo-Z connector which provides audio signal outputall the times. Check the rated impedance below for preventing overload condition.

※ Caution: connected speaker’s total impedance should not be greater than rated impedance cable on thetable.

※ A audio cable can be terminated as the picture below.

⇒Output mode setup: See lCD Display Setup > 5) SeTUp > ⑥ AMp⇒Speaker connection: See Operation > speaker cable connection.

1 2 3 4 5 6 7 8 9 10 11

1213141516

pMU-240nA output/rated impedance pMU-600nA output/rated impedance

OutputConnector SWITCHeD UnSWITCHeD/low-Z SWITCHeD UnSWITCHeD/low-Z

100V mode 100V/41.6Ω 100V/41.6Ω 100V/16.6Ω 100V/16.6Ω

70V mode 70V/20.4Ω 70V/20.4Ω 70V/8.1Ω 70V/8.1Ω

low-Z mode no output 31V/4Ω no output 49V/4Ω

SWI

16.6

-+

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for controlling output level, go ATTenUATOr setup at the front panel’s lCD and user can control thespeaker outputs which are connected SWITCHeD 5 connectors.See the table below, to control level at the ATTenUATOr step menu.

※ Caution: In case of using ATTenUATOr, Total impedance with all speaker output with SWITCHeD 5connector should be not greater than 200Ω.

⇒ATTenUATOr setup: See the manual, Operation > lCD Display Setup> 5) SeTUp > ⑤ ATTenUATOr.

3. EXT IN INPUT CONNECTORAudio input connector for auxiliary audio source. It is can be used as an additional input source.Use prIOrITY for announcement through the COnTACT MODe. See the picture below for cable termination.

※ prIOrITY announcement will override all input source. When this function is activated. Other input sourcewill be disable,

⇒ COnTACT Mode setup: See the manual, Operation > lCD Display Setup > 5) SeTUp > ⑧ COnTACT

4. MIX OUT OUTPUT CONNECTORThis audio output connector will allow you to send your audio mix source to auxiliary audio device. You canuse this audio output for sub-woofer speaker through lpf(low pass filter) setup.※ for the cable termination, see the find the picture below.

⇒ MIx OUT lpf setup: See the chapter Operation > lCD Display Setup> 5) SeTUp > ⑦ DSp.

5. CONTACT 1, 2, 3, 4 CONNECTORThis is terminal for contact closure input source. You can setup connector(1~4)’s operation logic via Contactmode page. See the table below to find logic control option.

ATTenUATOr stepSpeaker output level

100V MODe 70V MODe

100% (0dB) 100V 70V

50% (-3dB) 70V 50V

25% (-6dB) 50V 35V

G-+

G

G-+MIX OUT

G

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※ See the picture below for the cable termination.

※ gpI mode setup can be controlled by the user’s web page. ⇒ COnTACT Mode setup: see the manual Operation > lCD Display Setup> 5) SeTUp > ⑧ COnTACT⇒ gpI setup: see the webpage manual and see the Setup chapter.

6. VCA (VOLTAGE-CONTROLLED AMPLIFIER) CONNECTORThis auxiliary audio volume controller will allow you to control audio output volume with master volume.※ 10kΩ, B curve volume controller is recommended. See the picture below.

7. TEL IN INPUT CONNECTORThis is a input connector for telephone switcher, this function will allow you to send announce to public viaconnected phone.

COnTACT Mode function

exT MUTe Signal will be muted when the contact closure input signal is activated.

exT CHIMeChime sound will be executed when the contact closure input signal isactivated

prIInput signal associated with exT In connector will be announced as thehighest priority, when the contact closure input signal is activated

gpIMacro announcement will be done, when the contact closure input signalis activated.

1 2 MIX OUT EXT IN

3 4 VCA

G

GGCONTACT

CONTACT

VCA

G

TelephoneExchanger

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8. TEL IN VOLUMEVolume control for Tel In input signal.

9. RM CONNECTORThis is a connector socket for phasing announcement throughout rM-05A and CIA-13.※ This function will be updated, please contact to our service center before using this function.

10. PC AUDIO CONNECTORThis is USB B-TYpe connector for user’s pC. You can receive the audio signal through user pC.※ This USB connector support USB 1.1/2.0 only.

pC platform: Windows 98/2000/Vista/7 only⇒ pC AUDIO connection: See this manual, operation > pC AUDIO connection.

11. NETWORK CONNECTION CONNECTOR(RJ-45)This is network connection connector which supports 10/100Mbps. User can access webpage with audiostreaming. It supports Auto MDIx. network interface card will be recognized with direct or crossover cable both.

⇒ Access web page: find the webpage manual

12. MIC/LINE INPUT CONNECTOR (INPUT 1 ~ 2)This is balanced input connector (MIC/lIne level, MIC: -50~-10dBu, lIne: -35~+10dBu) with xlr andeUrO terminal. Only balanced cable is allowed. If you want to use balanced cable as unbalanced cable,see the picture below for cable pin termination.

UTP1 8

1 8

1 8 8

[ TOP VIEW ]

DIRECT

[ CABLE COLOR ORDER ]

CROSS[ CABLE CROSS ORDER ]

[ FRONT VIEW ]

8.Brown7.W/Brown6.Green5.W/Blue4.Blue3.W/Green3.W/Green2.Orange1.W/Orange

3

XLR

XLR JACK

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13. PHANTOM POWER ON/OFF SWITCH (INPUT 1 ~ 2)This is switch for +24V phantom power’s On/Off. It is located in InpUT 1, 2.Turn the phantom power on for your microphone and Turn off the phantom power on for your microphone.

14. GAIN CONTROL VOLUME (INPUT 1 ~ 2)This is gain control for InpUT 1 and InpUT 2. gAIn

15. LINE (INPUT 3~5)This is unbalanced input connector (-10dBu level) for eUrO terminal and phone Connector(1/4” TrS). Seethe picture below for connecting cable Connector.

EURO Terminal

Balanced cable Unbalanced cable

※ Before using unbalanced cable, turn of f the phantom power.

G-+

G

+

12

3

HotCold

Ground

Phone Jack

Balanced cable Unbalanced cable

EURO 터미널

12

3

Hot

Ground

Balanced cable Unbalanced cable

G-+

G

+

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16. LINE (INPUT 6)This is unbalanced input connector for rCA (-10dBu level). See the picture below for connecting cableConnector.

RCA Jack

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OperationOperation

● LCD Display Setup1. Main display

- lCD display will show icons, you can go the each correspond page by touching.

i rADIO- play internet radio

AOe STreAM- AOe-212n audio streaming

USB MeMOrY- play USB memory audio

pC AUDIO- play audio from user’s pC

SeTUp- Advanced setup and system information.

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- locking lCD touch function

By pressing UnlOCK on upper left lCD screen. licking function is activated and lCD touching is not able.By pressing lOCK on the same screen. The log in and password window will be popped up ※ In lock mode of lCD touching, touch function will be not activated.

Type your password in the InpUT windows and press OK button, and then lock system will be turned off.※ The default password is 0000.⇒ Touch lock password setup: see the manual, 5) SeTUp > ⑩ USer.

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2. Upper Icons

: go to main screen.

: Moves to the previous scree

: Moves to the next setup screen

: go to the previous list of I rADIO.

: go to the next list of I rADIO

1) I rADIO

- When you touch in the main screen appears as shown above.

- The screen displays the date, time and information about the currently selected station.- When you touch COnneCT or DISCOnneCT, and then the broadcasting will starts or stops based on the

your commend.- If you touch the I rADIO lIST on the screen, the displays will show the list of saved stations as shown below※ The song title may not be displayed on the list depending on the Url server’s platform.※ This I rADIO may do abnormal playback depending on the server Url circumstances. If the problem

continues to occur, please use a different Url serve.

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- When you touch the stations in the list, the station address will be displayed in the Url at the bottom oftouch screen and touch a COnneCT on the upper right side on the screen, the selected station will beconnected, and then the screen will return to I rADIO page.

- Touch QUIT and then screen will return to the I rADIO screen without connecting to the stations.- To add radio stations, access the web page and select setup session.

2) AOe STreAM

- In main screen, press , and then AOe STreAM page will be displayed.- The AOe STreAM page shows the AOe-212n Ip address, sample rate, port information of the currently

connected.- If you touch COnneCT or DISCOnneCT, and then AOe STreAM will begin or stop the streaming based

on your commend.- In reMOTe COnTACT button, If you touch the blank to the right side of information bar, and then you can

activate the contact coulure controls.⇒ Contact closure control function: see this manual Operation > AOe STreAM contact closure control.

- Touch the Server list and then the AOe-212n’s stored in server list will show up.

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- When you touch the servers in the server list and then the server’s Ip address will be displayed on thebottom of the Ip window.

- press QUIT to go back to STreAM page without connecting the streaming server.- To add server on AOe-212n serve list, access the webpage and then enter the setup page.

3) USB MeMOrY

- In main display, touch and then USB memory page will be displayed.- Information of playing file (album cover, title, duration, total file number) is displayed on the screen. - You can play by touching the icon below to play a music file contained in the USB.

repeat mode : Setup repeat mode.※There are four types of repeat mode type (1. for once, 2. repeat one, 3. repeat all, 4.

repeat Off) will change each time you touch the repeat mode icon.

previous Song: go to the previous song

play: play a song file, and then the icon changes to a pause.

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pause: The music being played is paused, the changes to the playback icon.

Stop: Stop the music is being played

next Song: Move to the next song.

4) pC AUDIO

- Touch in main display and pC Audio page will show up.- User can sue pC’s USB connector or pMU-240nA/600nA’s pC AUDIO connector for playing user’s pC

sound resource.- Once the system is get connected to the user’s pC, STATUS window show the connection and disconnection

can be informed to user in the same page.※for the detail information. see this manual Operation > pC AUDIO.

5) SeTUp

- press icon in main screen, and Setup page will be displayed.

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- In Setup page, there will be sub Icons such as VOl, eQ, CHIMe, prIOrITY, ATT, AMp, DSp, COnTACT,Tel/exT, USer, STATUS.

- By touching each Icon, you can sub menu on the setup mode.

① VOl

- By touching VOl on the Setup page, you can control input volume1~6 and master volume and monitorsound control position. Adjusting input volume on the front panel, you can see the value changing onvolume level.※ Input volume is not touchable. You can control the volume through volume control through the front panel.

- Volume will be displayed from 0 to 100.- Touch the Mute button on upper right for muting speaker output.- On VOl setup display 1, press input volume 3~6 button to access to move VOl setup display.

- VOl setup 2 has USB, AUx, pC AUDIO, neT-WOrK input volume and master volume. Use inputvolume3~6 on the front panel to adjust volume level.※ input volume on VOl setup 2 is not touchable. You can adjust volume level through volume 3~6 on the

front panel.※ neT-WOrK volume on VOl setup page is the I rADIO volume control for the AOe STreAM.

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② eQ

- On SeTUp display, press eQ button, touch input volume 1~2 as the VOl setup 1 shows up or touch inputvolume 3~6 as the VOl setup 2 shows up and then you access the eQ setup display.

- On the eQ setup display, you can monitor the current value of 6 BAnD eQ, TOne, and volume status. Youcan adjust not only 6 BAnD eQ, but also BASS, TreBle for the detail sound control.

- 6 BAnD eQ: 125Hz, 400Hz, 1kHz, 3.1kHz, 8kHz, 12.5kHzTOne : BASS - 100Hz, TreBle : -10kHz

- Volume have value range from -10 to +10.- By adjusting input volume1~6 and TOne volume on the front panel, you can monitor the changing value

of frequency band volume on the screen.※ each frequency BAnD’s volume value is not changed by touching on the screen. Use volume 1~6 and

TOne volume on the front panel.

Bypass audio signal without eQ processing.

You can call a eQ preset from the eQ BAnD library. See the picture below.

- By touching preSeT on the eQ setup screen, you can access eQ preset page and choose a preset for theaudio volume channel.

- Use your preferred preset corresponded input channel.- USer1~3: go to webpage to setup user’s setup.

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※ for the further information, see the homepage (www.inter-m.net) and the find the webpage manualversion.

③ CHIMe

- By CHIMe icon on SeTUp display, you can access CHIMe setup display.- Based on the user’s purpose, user can setup starting chime and ending chime.

Staring chime : 2 TOne, Up 4 TOne ending chime : none, DOWn 4 TOne

- press the CHIMe button on the front panel for activating the starting chime.- When you setup the ending chime as DOWn 4 TOne, CHIMe leD will flash as the starting chime is

finished. press the CHIMe button again for activating the ending chime. If you setup the ending chime asnOn. The Starting Chime is activated only.

④ prIOrITY

- By touching prIOrITY on SeTUp page, you can access prIOrITY setup display.- Three different type 3 of prIOrITY setup are available. The priority hierarchy are as follows:

priority: TOp prIOrITY > 2nd prIOrITY > nO prIOrITY- By press reSeT button on upper left, you can reset all current priority setup.

priority reset value: Tel In > CH1, CH2, CHIMe, exT In > CH3~CH6, AOe, AUx, pC AUDIO, USB, I- rADIO- By touching prIOrITY, you can access the page to select input source.

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- Touch the input button to assign prIOrITY to program.- You can choose multi source, press again for deselecting input source. - press SAVe to save your priority setup after select input source.※ See this manual, Operation > How to use PRIORITY

⑤ ATT

- By touching ATT at the SeTUp display, you can access ATTenUATOr setup display.- ATTenUATOr has three step to reduce speaker output at a constant rate: 100%, 50%, and 25%.※ ATTENUATOR works for speaker #5 only.

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⑥ AMp

- By touching AMp button on the SeTUp display, you can access the AMp MODe setup display.- Type of Mode

100V: rated output mode at 100V70V: rated output mode at 70Vlow-Z: you can use low impedance speaker in this mode.

- By touching 100V or 70V button, all speaker connector on the rear panel are adjusted as High-Z speakeroutput. And by touching low-Z, , all speaker connector on the rear panel are adjusted asUnSWITCHeD/lo-Z connector, you can use low-Z speaker for your system.※ When you choose low-Z mode, you cannot use SWITCHeD 1~5 connector.

- When you select mode, warning message will pop up to ensure your decision.- By touching button, your mode setup will be completed. When you touch button, you mode

setup will be cancelled.※ Before changing AMp mode, separate rear speaker connector on the rear panel first!. After changing

AMp mode and then use proper speaker cable for your application. Speaker Connection: see the manual, Operation > speaker connection.

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24 pMU-240nA/600nA

⑦ DSp

- Touch DSp on the SeTUp page, then DSp setup page will be displayed as above. - setup category: leVel DeTeCT, H.p.f, DUCKIng releASe TIMe, MIx-OUT, lIMITer, DUCKIng leVel- Detail setup of each category can be controlled by touching scroll bar on the screen.

• leVel DeTeCT setup

- When touching leVel DeTeCT on DSp setup screen, setup screen of leVel DeTeCT will be displayed asabove. When a signal, higher than the lever user setup, inputs, pMU-nA detects it and audio outputchanges according to the priority setup.

- Touch the scroll bar to setup from -50dB to-20dB.- Move to another channel page by touching above right.

Input channel that are possible to setup are as below: CH1~6, Tel-In, AOe, AUx, pC AUDIO, USB, CHIMe, I rADIO, exT-In.

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•HIgH pASS fIlTer setup

- When touching H.p.f on DSp setup page, the HIgH pASS fIlTer setup page will be displayed. It blocks thesignal below the user setup frequency.

- Touch the scroll bar to setup from 20Hz to 400Hz.※ In case of audio input1, 2, you can use from TrIM volume MIn: 20Hz to 400Hz.

•DUCKIng releASe TIMe setup

- When touching DUCKIng releASe TIMe on DSp setup page, DUCKIng releASe TIMe setup page isdisplayed as above. It decides the time that connects to the original broadcasting when broadcasting witha high priority disconnects.

- Touch the scroll bar to setup from 1ms to 10000ms.

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•MIx-OUT setup

- Touch MIx-OUT on DSp setup screen and it will display the MIx-OUT setup screen as above. You can setup the backside MIx OUT connector’s lOW pASS fIlTer and volume. enABle : when touching the blank on the right, lOW pASS fIlTer function becomes activated. freQUenCY : blocks the signal that is higher than the setup frequency, and it can setup from 20Hz to400Hz.VOlUMe: volume that controls MIx OUT output signal, and is able to setup from 0 to 100.

• lIMITer setup

- When touching lIMITer on DSp setup screen, it displays the lIMITer setup screen as above. SetupTHreSHOlD, ATTACK TIMe, DeCAY TIMe to avoid over-input coming through the internal AMp. THreSHOlD: blocks higher signal than setup level input coming through internal AMp. It is able to setup -4dB to 44dB.ATTACK TIMe : it decides the time that the over-input signal arrives from THreSHOlD to the setup level. Itis able to setup from 1ms to 20ms. DeCAY TIMe : THreSHOlD’s setup level, which decides the time that the compressed signal turns into theoriginal signal. It is able to setup from 100ms to 2000ms.

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•DUCKIng leVel setup

- When touching DUCKIng leVel on DSp setup screen, it displays DUCKIng leVel setup screen as above.When priority broadcasting, it decides the level of the original signal decreases.

- You can choose among: -12dB, -18dB, -24dB, MUTe ※ It you turn broadcasting while MUTe, the original signal turns mute and the transformed signal outputs

only.

⑧ COnTACT

- When touching COnTACT on SeTUp screen, it displays COnTACT setup screen as above. Using backsideCOnTACT 1-4 connector to input contact closer, then you can select the device’s action. external MUTe: when contact closer inputs, speaker output mutes. CHIMe: when contact closer inputs, CHIMe broadcasts. prI: when contact closer inputs, the audio signal that inputs through backside exT In connector broadcastson first priority, and MASTer volume setups at 100. While contact closer is activated MASTer volumecannot be controlled. ※ When even one of COnTACT 1~4 prI is selected, exT In input doesn’t broadcast either through priority

setup or gpI setup.gpI: when contact closer inputs, you cannot do macro broadcasting. ※ The basic setup for COnTACT 1~4 is prI.

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※ When prI contact closer inputs, every speaker’s channel turns On and when there is no contact closerinput, they all turn back to the prior state.

※ When using gpI, macro function can be setup on webpage. gpI setup: not webpage manual – device setup description.

⑨ Tel/exT (Tel-In, exT-In)

- When touching Tel/exT on SeTUp screen, it displays COnTACT setup screen as above. - Tel-In and exT-In’s volume can be selected each among 100%, 75%, 50%, and 25%.※ Basic volume setup is 100%.

⑩ USer

- When touching USer on SeTUp screen, it displays language touch lock and password setup as above. - You can select either Korean, english, or french for your language. - When changing the language, reSTArT alarm will show. - By selecting YeS, the device will reboot and setup to the new language.

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- When touching on USer setup page, it displays lock screen password setup as above.

- press in the present password in OlD, new password (4 digits) in neW, then press OK and the newpassword is setup.

- If lost the password, go to webpage user menu and you can initialize the password. password forinitialization is 0000.

⑪ STATUS

- When touching STATUS on SeTUp screen, it displays the device’s system information screen as above. MAC Address: pMU-nA’s original address DHCp enable: whether using DHCp (YeS/nO) ※ You can setup the DHCp usage by touching DHCp above left. Ip Address: pMU-nA’s Ip address netMask: subnet mask’s addressDnS 1, 2: DnS’ server address Version, firmware Version: information regarding Software version

- When toughing network initialization on STATUS setup screen, network setup information becomesinitialized.

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● START

1) Connect various source that the user wants, to the device. 2) Connect speaker to the speaker output connector on the backside.

⇒ note Operation > speaker connection description. 3) When connecting AC code to the device, InTerM logo will be displayed ton lCD and the device starts booting. 4) When booting is finished, power signal leD turns orange and the device turn to STAnD BY state. 5) now press the power switch, the device starts activating and power signal leD turns green. 6) On lCD start up screen as below will show, user can touch to select the wanted menu.

7) After the device is turned on, open the front cover and the lCD volume control screen will showautomatically.

⇒ When doing no volume control for some time, it goes back to the prior screen. 8) Select the broadcasting speaker channel. (press All switch to On/Off all speaker output.) 9) While checking speaker output, control various input control volume and master volume properly. 10) Broadcasting priority, chime, contact close action, etc. Whatever function user is looking for, use it through

lDC or webpage.

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● STAND BY, WAKE UP

1) STAnD BY: When pressing power switch while operation mode or there is no audio input for about 15minutes, the device shuts down on to STAnD BY mode. pOWer leD turns from green to orange and thescreen displays time as below.

2) WAKe Up : While the device is on STAnD BY mode and prI contact closer inputs, the device automaticallyturns to activation mode and prI broadcasting starts.

3) When there is no display operation for about 5 minutes, screen brightness lowers 50%. 4) When there is no display operation for about 10 minutes, screen shuts down.

● AOE STREAM operation

1) As below, connect AOe-212n, pMU-nA, user pC to network web.

2) from the user pC, log in to AOe-212n server, then set up the Ip address to start AOe server. ⇒ for more information about setup, note AOe-212n manual.

3) After this, log in to pMU-nA webpage and add the server address of the using AOe-212n. ⇒ for more information about setup, note the provided webpage manual.

Network

AOE-212N

PMU-NA Series

NETWORK 단자

Control PC

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4) Touch AOe STreAM on lCD screen > then touch server list.

5) Select the added AOe-212n server on webpage, then touch to log in.

6) Connect the source device to AOe-212n’s audio input connector.7) AOe STreAM broadcasts. (The audio signal of the source device connected to AOe-212n, output through

the speaker connected pMU-nA)※ When using AOe STreAM, be aware of When setup AOe server, setup audio server samplate to 44.1kHz.When setup samplate other than 44.1kHz, it may function abnormally. Before using AOe STreAM, rightly control the input volume of AOe-212n.

● AOE STREAM contact closer operation

1) Install control switch at each end of Oe-212n contact closer input channel 8.

Network

AOE-212N

PMU-NA Series

NETWORK 단자

Control PC

1 2 3 4 5 6 7 8

1 2 3 4 5 6 7 8EXT Switch

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2) Start the audio server and contact closer of AOe-212n that you are going to use, and connect the sourcedevice to audio input connector of AOe-212n.⇒ for more information about setup, note AOe-212n manual.

3) Touch reMOTe COnTACT on AOe STreAM setup page to revitalize contact closer control function.

4) Then log in to pMU-nA webpage to add the using server address of AOe-212n.⇒ for more information about setup, note the provided webpage manual.

5) Select the using AOe-212n from the server list. 6) On the control switch connected to AOe-212n. 7) When the contact closer is revitalized, AOe STreAM (output the audio signal of the source device connected

to AOe-212n through the speaker connected to pMU-nA) will be broadcasted and the MASTer volume isset up to 100. While contact closer is revitalized, MASTer volume cannot be controlled.

8) When Off the Control switch and contact closer becomes inactive, AOe STreAM stops. 9) The same way as number 1), through AOe-212n contact closers’ input channel 1-5, you can individually

On/Off the pMU-nA ZOne 1~5. ※ for the selected function, AOe should be selected as first priority in the setup.※ When AOe STreAM connection is cleared, speaker channel goes back to the prior condition.

● I RADIO operation

1) Connect pMU-nA to the network connected to external private network.2) from the user pC that is connected to the same network, log in to pMU-nA webpage and add the selected

radio broadcasting Url. ⇒ for more information about setup, note the webpage manual registered on the website.

3) Touch lCD screen > >

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4) Select the broadcasting station, then touch to log in.

5) radio will be broadcasted through the speaker connected to pMU-nA.

● How to connect PC AUDIO

1) When connecting the included USB CABle to the user pC, pMU-nA will be recognized as audio playbacksystem. (You do not need an additional driver, pC automatically recognizes the playback system.)

2) If worked normally, USB Audio DAC is played out under sound, video and game controllers.

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3) Then change the pC playback system to USB Audio DAC.

4) Touch pC AUDIO on lCD screen.

5) If worked normally, you will see that it is connected on the STATUS page. If not connected normally, it willplay out disconnection.

6) If connected normally, the sound source played in pC will output through the speaker connected to pMU-nA.

● PRIORITY setup

1) Operation > note STArT and set up pMU-nA. 2) According to the examples below, set up the priorities of input sources.

example) If setting up according to such priority: Tel In, CH1, CH2 > USB, CHIMe, exT In > CH3~CH6,neTWOrK, AUx, pC AUDIO

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3) Touch on the lCD main screen in the order of, SeTUp > prIOrITY > TOp prIOrITY

4) Select an input source to put first priority. If you choose according to the example, then select in the order ofTel In, CH1, CH2, then touch SAVe. When set up is completed, it goes back to the prior page.

5) You can select multiple sources at one time. The audio inputs that are set up for the same prIOrITY, aremixed when output.

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6) Select an input source to put second priority. Select USB, CHIMe, exT In, then touch SAVe.

7) After setting up until second priority, when touching , you will be able to see that the rest ofthe input sources are setup as nO prIOrITY. Input sources not selected as first and second priorities areautomatically selected as nO prIOrITY.

8) After done with prIOrITY setup, touch main page > setup > DSp.

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9) In leVel DeTeCT, DUCKIng releASe TIMe, DUCKIng leVel category, you can do a set up about thepriority overriding sequence. ※ About the DSp setup, note lCD screen description > 5) SeTUp > ⑦ DSp.

10) Connect microphone to the back CH1 and start USB MeMOrY.11) Start broadcasting using the microphone connected to CH1.12) You can see that the volume sound of USB player lowers as the broadcasting using will speaker starts.

※ You can’t play AOe STreAM, I rADIO, USB at the same time. However, when using them, you can setup prIOrITY. for example, if there are no other sound source than AOe, I rADIO, USB, the sound source that the user hasselected among AOe, I rADIO, USB will output. If there is a sound source input having higher priority thanAOe, I rADIO, USB, then the input sound source will also output.

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1) After disconnecting power code from the power outlet, connect the using speaker to the speaker connector atthe backside panel as below.

2) Minimize master volume, and start the device. 3) Connect speaker accordingly to the AMp mode that is setup in pMU-nA. ※ for more information about setup, note lCD main page > 5) SeTUp > ⑥ AMp description.

4) Use front speaker select switch to select speaker output region. 5) Use front volume to rightly control broadcasting volume.

- If using High-Z speaker

- If using low-Z speaker

※ If using High-Z speaker, setup AMp mode to 100V(or 70V).※ If using High-Z speaker, you can use both SWITCHeD connector and UnSWITCHeD/lo-Z connector,

in this case, be cautious to not connect low-Z speaker to UnSWITCHeD/lo-Z connector.

※ If using low-Z speaker, make sure you setup the AMp mode to low-Z. ※ If using low-Z speaker, only connect speaker to UnSWITCHeD/lo-Z connector, and you can’t use

SWITCHeD connector. (regardless of any speaker select switch, UnSWITCHeD/lo-Z connectoralways output.)

How to connect speaker How to connect speaker

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ApplicationApplication

AOE-212N

PMU-NA Series

PC Control &PC AUDIO

Internet RadioNetwork Switch

Network

USB Memory

CD-610U MIC/LINE

Speaker

1 5

Data

Audio(Amp)

Audio(Line)

Ethernet

AUX

Network Switch

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Block DiagramBlock Diagram

RJ45

RJ45

ADC

CHIME

USB

B-TYPE

PHY

USB

A-TYPE

DISPLAY

DAC

AMP

DSP BLOCK

MCU

VOLUME

EQPRIORITY

MIXING

I.MX 6SL

RS-422

DRIVER

USB

CODEC

4.3” TOUCH LCD

KEYs, VOLUME,

ZONE SELECT

USB

MEMORY

UART

SPK OUT Relay control

AMP control

SMPS control

2C

2C

2C

UART

SDATA

SDATA

SDATA

SDATA

MIX OUT

CH3

LINE

CH4

LINE

CH5

LINE

CH6

LINE

EXT IN

TEL IN

CHIME

AUX

I RADIO

AOE-STREAM

PC USB

STREAM

RM

CH1

MIC/LINE

PHANTOM

POWER

CH2

MIC/

PHANTOM

POWER

ZONE1

ZONE2

ZONE3

ZONE4

ZONE5

4Ω SPK

SMPS

+15V, -15V, +24V,

+80V, -80V

AC INPUT

120-240V~50/60Hz

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SpecificationsSpecifications

PMU-240NA PMU-600NA

rated output (@ T.H.D : Under 1%, 1kHz) More than 240W More than 600W

frequency response (1W OUTpUT, 1kHz, +1/-3dB) 65Hz~18kHz

Total Harmonic Distortion\(T.H.D @ 1/8 rATeD OUTpUT, 1kHz, 20kHz lpf)

less than 0.3%

Signal to noise ratio(S/n, 20kHz Hpf, 20kHz lpf, 10dBu 1kHz input)

(at MIx OUT) More than 100dB

TOne COnTrOl (100Hz, 10kHz) ±10dB

Input

Senstivity/Input

impedance

InpUT 1, 2 MIC -55dBu / 2kΩ

InpUT 3~5 lIne -10dBu / 10kΩ

InpUT 6 -10dBu / 50kΩ

AUx -10dBu / 10kΩ

Tel In 0dBu / 10kΩ

exT In 0dBu / 10kΩ

Output level

MIx OUT(@rATeD OUTpUT) 0dBu

speaker outputHIgH-Z

100V / 41.6Ω70V / 20.4Ω

100V / 16.6Ω70V / 8.1Ω

lOW-Z 31V / 4Ω 49V / 4Ω

phantom power +24V, 50mA

Input priority (Default)Tel In > CH1, CH2, CHIMe, exT In >

CH3~CH6, AOe, AUx, pC AUDIO, USB, I rADIO

Communications neTWOrK ethernet network, 10/100 BASe-Tx

Operating Temperature -10℃~+40℃power AC 220-240V, 50~60Hz

power Consumption (1/8W) 100W 150W

Weight (SeT) 5.47kg / 12.06lb 5.67kg / 12.5lb

Dimension (SeT)420(W)x88(H)x319(D)mm

/16.5(W)x3.5(H)x12.5(D)in

* Design and specification are subject to be changed for the improvement of product quality without pre notice.

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※ DIMENSIONS *

No,DECANo,DECANo,DECANo,DECA

420

320

88

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ServiceService

ProceduresTake steps to insure the problem is not related to operator error or other products within the system. Informationprovided in the troubleshooting portion of this manual may help with this process. Once it is certain that theproblem is related to the product contact your warranty provider as described in the warranty section of thismanual.

SchematicA Schematic is available by contacting your warranty provider.

Parts ListA parts list is available by contacting your warranty provider.

Variations and OptionsVariations and Options

Variationsproducts supplied through legitimate sources are compatible with local AC power requirements.

Options no optional items are available for this product.

WarrantyWarranty

Warranty terms and conditions vary by country and may not be the same for all products. Terms and conditionsof warranty for a given product may be determined first by locating the appropriate country which the productwas purchased in, then by locating the product type.

To obtain specific warranty information and available service locations contact Inter-M directly or theauthorized Inter-M Distributor for your specific country or region.

MADE IN KOREADecember 2016 141345

Inter-M, ltd. (Korea) began operations in 1983.

Since then, Inter-M has grown to become one of the largest manufacturers of professional audio and commercial sound electronics equipment in the world.

Inter-M has gained worldwide recognition for its own branded products, as well as private label manufacturing of electronics sold under other names (OeM).

The company is no longer just a Korean company, but rather a global company that is truly international in scope, with factories and offices in Korea and China, and sales and marketing operations located in Japan, europe, and the U.S.A.

With more than 850 employees around the globe,Inter-M is well-poised for further growth and expansion.

Inter-M Americas, INC. 5666 COrpOrATe AVe. CYpreSS, CA 90630Tel : +1-714-828-2200, fAx : +1-714-828-2210Home page : http://www.inter-m.net, e-mail : info@inter-m.net

Inter-M CorporationSeOUl OffICe : 719, DOBOng-rO, DOBOng-gU, SeOUl, KOreA Tel : +82-2-2289-8140~8, fAx : +82-2-2289-8149Home page : http://www.inter-m.com, e-mail : overseas@inter-m.com