COM 2: Assemble, operate, site and maintain the AN/PRC 77 Set

COM 2: Assemble, COM 2: Assemble, operate, site and operate, site and maintain the AN/PRC maintain the AN/PRC 77 Set77 Set

JWT v1 /03JWT v1 /03

RevisionRevision

What does AN/PRC stand for?What does AN/PRC stand for? What is the frequency range of the 77 What is the frequency range of the 77

Set?Set? What is the channel spacing?What is the channel spacing? What is the approximate range?What is the approximate range?

RevisionRevision

Identify these parts of the 77 Set:Identify these parts of the 77 Set:

COM 2: Assemble, operate, COM 2: Assemble, operate, site and maintain the site and maintain the AN/PRC 77 SetAN/PRC 77 Set

Assembly of the radioAssembly of the radio Applying a frequencyApplying a frequency Disassembly of the radioDisassembly of the radio Factors in siting the radioFactors in siting the radio Maintenance of the radioMaintenance of the radio

ASSEMBLY: PRELIMINARY ASSEMBLY: PRELIMINARY CHECKSCHECKS

Check the body for Check the body for any cracks or signs any cracks or signs of obvious damageof obvious damage

Check hinges for Check hinges for crackingcracking

ASSEMBLY: FITTING THE ASSEMBLY: FITTING THE BATTERY AND BATTERY BOXBATTERY AND BATTERY BOX

Turn the radio Turn the radio upside downupside down

Unlatch the Unlatch the side hingesside hinges


Remove the Remove the battery box lidbattery box lid


Take the battery out Take the battery out of its plastic bagof its plastic bag

Line up the holes on Line up the holes on the battery with the the battery with the pins on the socketpins on the socket

Hold the battery Hold the battery parallel to the radio parallel to the radio and gently place it on and gently place it on the radiothe radio

Latch the lid back onLatch the lid back on

ASSEMBLY: ATTACHING ASSEMBLY: ATTACHING THE WHIP ANTENNATHE WHIP ANTENNA

Screw the two parts of the whip antenna Screw the two parts of the whip antenna togethertogether

ASSEMBLY: ATTACHING ASSEMBLY: ATTACHING THE 10 FOOT ANTENNATHE 10 FOOT ANTENNA

Unfold the 10 foot Unfold the 10 foot antennaantenna

Screw the two parts Screw the two parts of the antenna of the antenna togethertogether

ASSEMBLY: ATTACHING ASSEMBLY: ATTACHING THE ANTENNATHE ANTENNA

Insert the antenna hereInsert the antenna here

ASSEMBLY: ATTACHING ASSEMBLY: ATTACHING THE WHIP ANTENNATHE WHIP ANTENNA

Screw the antenna in, Screw the antenna in, and check that it is firmly and check that it is firmly in place.in place.

Check at regular Check at regular intervals, especially if intervals, especially if patrolling; movement can patrolling; movement can loosen the antennaloosen the antenna

The whip antenna can The whip antenna can be folded forward over be folded forward over your shoulder so that your shoulder so that you can see it, and to you can see it, and to prevent it caught in the prevent it caught in the bushbush

ASSEMBLY: FITTING THE ASSEMBLY: FITTING THE HANDSETHANDSET

Remove the handset from the equipment bagRemove the handset from the equipment bag


Insert the handset hereInsert the handset here


Check that the gold Check that the gold coloured points are coloured points are clean.clean.

Wipe some spit on Wipe some spit on the points to ensure the points to ensure good contact.good contact.

Twist the handset in Twist the handset in like a lightbulb. like a lightbulb. Check that it is Check that it is firmly in place. firmly in place.

Applying a frequencyApplying a frequency

Set the Set the appropriate appropriate setting for setting for the band the band switchswitch

Set the Set the correct correct frequencyfrequency


Set the Set the volumevolume

Do not put Do not put the volume the volume on full – it on full – it causes causes distortiondistortion


Set the Set the function function switch to switch to ‘on’‘on’

Allow the Allow the radio to radio to warm up warm up for a couple for a couple of minutesof minutes


Once the Once the radio is radio is working, working, and you and you can hear can hear the static, the static, set the set the function function switch to switch to ‘squelch’‘squelch’

DISMANTLE THE SERVICE DISMANTLE THE SERVICE RADIORADIO

Disassemble in the reverse Disassemble in the reverse order to assembly: order to assembly:

switch the radio off switch the radio off remove the handset and remove the handset and

antennaantenna ensure they are stowed ensure they are stowed

in the CES bagin the CES bag carefully remove the carefully remove the

batterybattery write the date and the write the date and the

time used on the batterytime used on the battery

COM 2: Assemble, operate, site and maintain the AN/PRC 77 Set

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