36
COM1: Characteristics COM1: Characteristics and Components of the and Components of the AN/PRC 77 Set AN/PRC 77 Set JWT v1 /03 JWT v1 /03
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
