COM1: Characteristics COM1: Characteristics and Components of the and Components of the

AN/PRC 77 SetAN/PRC 77 Set

JWT v1 /03JWT v1 /03

The AN/PRC 77 RADIO The AN/PRC 77 RADIO SETSET

Technical dataTechnical data Components of the Components of the

77 Set77 Set

TECHNICAL DATATECHNICAL DATA

The AN/PRC 77 is a very high frequency The AN/PRC 77 is a very high frequency (VHF) frequency modulated (FM), short (VHF) frequency modulated (FM), short range, receiver-transmitter used for two-range, receiver-transmitter used for two-way voice communications.way voice communications.

AN/PRC stands for Army Navy Portable AN/PRC stands for Army Navy Portable Radio CommunicationsRadio Communications

TECHNICAL DATATECHNICAL DATA

Frequency Range 30 - 75.95 MhzFrequency Range 30 - 75.95 Mhz Lower BandLower Band 30 - 52.95 Mhz30 - 52.95 Mhz Upper BandUpper Band 53 - 75.95 Mhz53 - 75.95 Mhz No of ChannelsNo of Channels 920920 Transmission rangeTransmission range Approx. 5-8 km Approx. 5-8 km

(depending on terrain (depending on terrain and antenna)and antenna)

Battery LifeBattery Life Approx. 30 hrs. at a Approx. 30 hrs. at a ratio of 9:1ratio of 9:1

QuestionsQuestions

Is the AN/PRC 77 Set:Is the AN/PRC 77 Set: HF or VHF?HF or VHF? AM or FM?AM or FM?

What does AN/PRC stand for?What does AN/PRC stand for? How many channels does it have-How many channels does it have-

6060 300300 920920

How long should a battery last?How long should a battery last?

BASIC ISSUE ITEMSBASIC ISSUE ITEMS

The Radio 77 Set The Radio 77 Set comes issued with comes issued with the following items:the following items:

RadioRadio HarnessHarness CES bag & contentsCES bag & contents

BASIC ISSUE ITEMSBASIC ISSUE ITEMS

CES (Complete CES (Complete Equipment Schedule):Equipment Schedule):

BagBag HandsetHandset Whip antennaWhip antenna Whip antenna baseWhip antenna base Antenna 10 footAntenna 10 foot Antenna 10 foot baseAntenna 10 foot base

BASIC ISSUE ITEMSBASIC ISSUE ITEMS

CES (Complete CES (Complete Equipment Schedule):Equipment Schedule):

BagBag HandsetHandset Whip antennaWhip antenna Whip antenna baseWhip antenna base Antenna 10 footAntenna 10 foot Antenna 10 foot baseAntenna 10 foot base

BASIC ISSUE ITEMSBASIC ISSUE ITEMS

CES (Complete CES (Complete Equipment Schedule):Equipment Schedule):

BagBag HandsetHandset Whip antennaWhip antenna Whip antenna baseWhip antenna base Antenna 10 footAntenna 10 foot Antenna 10 foot baseAntenna 10 foot base

BASIC ISSUE ITEMSBASIC ISSUE ITEMS

CES (Complete CES (Complete Equipment Schedule):Equipment Schedule):

BagBag HandsetHandset Whip antennaWhip antenna Whip antenna baseWhip antenna base Antenna 10 footAntenna 10 foot Antenna 10 foot baseAntenna 10 foot base

BASIC ISSUE ITEMSBASIC ISSUE ITEMS

CES (Complete CES (Complete Equipment Schedule):Equipment Schedule):

BagBag HandsetHandset Whip antennaWhip antenna Whip antenna baseWhip antenna base Antenna 10 footAntenna 10 foot Antenna 10 foot baseAntenna 10 foot base

BASIC ISSUE ITEMSBASIC ISSUE ITEMS

CES (Complete CES (Complete Equipment Schedule):Equipment Schedule):

BagBag HandsetHandset Whip antennaWhip antenna Whip antenna baseWhip antenna base Antenna 10 footAntenna 10 foot Antenna 10 foot baseAntenna 10 foot base

Questions: Identify these Questions: Identify these basic issue itemsbasic issue items

Questions: Identify these Questions: Identify these basic issue itemsbasic issue items

Questions: Identify these Questions: Identify these basic issue itemsbasic issue items

Questions: Identify these Questions: Identify these basic issue itemsbasic issue items

Questions: Identify these Questions: Identify these basic issue itemsbasic issue items

Parts of the 77 SetParts of the 77 Set

Parts of the 77 SetParts of the 77 Set

External power supplyExternal power supply

Parts of the 77 SetParts of the 77 Set

Antenna connectorAntenna connector

Parts of the 77 SetParts of the 77 Set

Antenna mountAntenna mount

Parts of the 77 SetParts of the 77 Set

Band switchBand switch

Parts of the 77 SetParts of the 77 Set

MHz Tuning ControlMHz Tuning Control

Parts of the 77 SetParts of the 77 Set

KHz Tuning ControlKHz Tuning Control

Parts of the 77 SetParts of the 77 Set

Preset leversPreset levers

Parts of the 77 SetParts of the 77 Set

Channel DialChannel Dial

Parts of the 77 SetParts of the 77 Set

Audio ConnectorsAudio Connectors

Parts of the 77 SetParts of the 77 Set

Volume ControlVolume Control

Parts of the 77 SetParts of the 77 Set

Function SwitchFunction Switch

Questions: identify these Questions: identify these partsparts

Questions: identify these Questions: identify these partsparts

Questions: identify these Questions: identify these partsparts

Questions: identify these Questions: identify these partsparts

Questions: identify these Questions: identify these partsparts

Final questions?Final questions?

Look over your notes. There will be a Look over your notes. There will be a test of the material you have learnt in test of the material you have learnt in this lesson. this lesson.

Now is your chance to ask final Now is your chance to ask final questions. questions.

COM1: Characteristics COM1: Characteristics and Components of the and Components of the

AN/PRC 77 SetAN/PRC 77 Set

JWT v1 /03JWT v1 /03