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29 Cards in this Set
- Front
- Back
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WHAT IS COVERED IN NAVAIR 16-30PRC149-1 CHAPTER 2?
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GENERAL INFORMATION ON THE PRC-149-1 RADIO SET
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WHAT IS COVERED IN NAVAIR 16-30PRC149-1 CHAPTER 3?
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THEORY OF OPERATION
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WHAT IS COVERED IN NAVAIR 16-30PRC149-1 CHAPTER 4?
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MAINTENANCE PROCEDURES
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AN/PRC-149
If the embedded GPS receiver has acquired a position fix, then an even more accurate location of the beacon (within ____ft) is made available to the SAR forces. |
300 ft
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AN/PRC-149
121.5 MHz IS WHAT FREQUENCY? |
Civilian Emergency Frequency
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AN/PRC-149
243.0 MHz IS WHAT FREQUENCY? |
Military Emergency Frequency
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AN/PRC-149
282.8 MHz IS WHAT FREQUENCY? |
International Emergency Voice Transceiver
Frequency |
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AN/PRC-149
406.025 MHz IS WHAT FREQUENCY? |
International Emergency Message Frequency
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AN/PRC-149
251.9 MHz |
Training Radio Frequency.
This frequency is used only in the AN/PRC-149-T1 and AN/PRC-149A-T1 training radios. All other frequencies listed above are disabled when this frequency is in use |
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AN/PRC-149
Frequency Stability. 121.5 MHZ |
Does not vary by more than 30 Parts Per
Million (PPM) over a five-year period including temperature, initial setting and aging effects. |
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AN/PRC-149
batteries are capable of providing operation without degradation in the 406 MHz Beacon mode for a minimum of _____hours |
48 HOURS
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AN/PRC-149
at minus 20 degrees Centigrade (-20°C or -4°F) or in the Triple Frequency Beacon mode for ____ hours |
24 HOURS
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AN/PRC-149
Maintenance BIT The operator initiates this mode while the Mode Control Switch is in the GPS position. The operator starts the test by ? |
depressing the volume up
and down control buttons simultaneously for approximately 10 seconds or until the Beacon (BCN) LED display turns on |
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AN/PRC-149
Mode Selector Switch Position 1 is? |
GPS MODE
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AN/PRC-149
Operator toggles between 243 MHz (Channel #1), 282.8 MHz (Channel #2), and 121.5 (Channel #3) voice channels by pressing Up and Down ON ? |
Volume buttons simultaneously. Operator must hold both in the pressed
position for at least 1.5 seconds for channel change to occur |
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AN/PRC-149
Mode Selector Switch Position 2 is? |
VOICE MODE
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AN/PRC-149
GPS Position acquisition might take____ minutes (typical), |
2 MINUTES
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AN/PRC-149
The GPS receiver is turned off after acquisition, and then powered ON every ____ minutes and left powered ON until a valid position fix is acquired again |
20 MINUTES
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AN/PRC-149
Mode Selector Switch Position 3 is? |
406 BCN
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AN/PRC-149
Mode Selector Switch Position 4 is |
TRIPLE BCN
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AN/PRC-149
MAINTENANCE BIT 2 blinks followed by 5 seconds off indicate a ? |
battery failure
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AN/PRC-149
3 blinks followed by 5 seconds off indicate a ? |
RF Output Level
failure |
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AN/PRC-149
4 blinks followed by 5 seconds off indicate a failure in the? |
AM
receiver. |
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AN/PRC-149
TRUE OR FALSE The GPS mode yields the longest BATTERY life. |
TRUE
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AN/PRC-149
REPLACE BATTERIES EVERY ___YEARS |
3
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AN/PRC-149
PERFORM MAINT BIT EVERY? |
90 DAYS
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AN/PRC-149
PERFORM GPS AQUISITION CHECK EVERY? |
180 DAYS
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AN/PRC-149
PERFORM BATTERY HOLDER VISUAL INSPECTION EVERY? |
180 DAYS
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AN/PRC-149
Clean dirt, dust or salt residues from the unit’s exterior surfaces, using a clean dry cloth or brush and compressed air (___psig maximum) |
30 PSIG
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