112G Flashcards
Explain the fixes?
- sat finding, attempting to find
|| - sat found/acquired, attempting to fix
|||| - (fat solid line) sat fixed
Freq range of channel A & B?
225 - 320 MHz
112G power settings?
VHF 0 - 1 WATT
UHF 1 WATT
How many satellites for a fix?
2D = 3 3D = 4
Where do you find the QuickDraw serial number?
Serial number plate on the rear
What is the short tile of the 112G?
AN/PRC 112G
What does CPLS stand for?
Combat personnel locating system
What is the battery life for
- Radio only
- Radio + GPS
- GPS Only
- beacon
Approx 7h - Radio only
Approx 6h - Radio + GPS
Approx 24h - GPS Only
less than 2h- beacon
What does the battery management show?
1/4
1/2
3/4
What is the weight of the 112G?
2.2lbs
Where can you find the unique programmable ID?
On the rear on the Serial number plate
What is the VHF frequency range?
121.500Mhz Beacon or Voice
What does almanack mean and name the boot timing?
its when you have moved region and the radio is downloading GPS data.
Hot start - 20 sec
Warm start - 45 sec
Cold start - 2.5min to 6min
What do you get with GEO?
Geodetic - latitude, longitude, degrees, minutes, seconds and fractions
What do you get with GEO2?
Geodetic - latitude, longitude, degrees, minutes and fractions minutes
What does MGRS stand for?
Military Grid reference system
What does UTM stand for?
Universal transverse Mercator
How many Canned messages does the 112G and QD2 have?
25msg
How many free format characters can you have in a message?
60 characters
How many way points has the 112G and QD2 have?
112G - 250
QD2 - 100
Name 4 parts of the 112G CES?
Transceiver; antenna; spare pouch (spare antenna & ear piece); battery; user manual; quick ref guide
What does DME stand for?
Direction measure equipment
What does ADF stand for?
Automatic Direction find
What lights do you get on the Bit indicator for the following? Bit failure Low battery Bit failure and low battery DME green light
Bit failure - continues orange light
Low battery - orange light for 1 sec off for 4; repeat
Bit failure and low battery - orange light for 4 sec of for 1 sec repeat
DME green light - interrogation received
Name the quality index?
Q1 - less than 100m best
Q2 - less than 200m good
Q3 - less than 400m fair
Q4 - less than 1000m poor
What heading does a 112G have and whats the difference between it and a QD2?
112G - True north
- Magnetic north
- Grid north
QD2 - True north
- Magnetic north
What are the 4 Navigation alarms?
Arrival at way point
Cross track alarm
Arrival limit alarm
passed way point alarm
Do you have post amble on or off on a 117F?
On
What does WGS84 Stand for?
World geodetic survey 84
What does the QD2 interrogate automatically from the 112G?
ID, Position, Time and Encryption status
What does CSAR?
Combat search and rescue
What is the power source for the QD2 and battery life?
4 AA alkaline batteries
Approx 24 hours back light of
Weight of the QD2?
680g without batteries
How many IDs can the QD2 hold?
100 ID max
How many Rx messages can the QD2 store?
100
Name four parts off the QD2 CES?
QD2; Interface adapter assembly; cable 26pin male to 9pin female; cable 6ft 9pin male to 9pin female; cable 6ft 25pin male to 9pin; QD2 reference card; GPS-112 Program loader user manual; prog loader software (CD) v2.9 or later; cary case; battery cover with clip; 4*AA spare battery; QD2 data/voice interface cable
What do you select on start up of the QD2 connected to a 117F?
URC/200/LST5A and PTT Auto A mode
What are the 3 forms of relay on the QD2?
Manual forward
Auto forward
Auto relay
Name the two training keys?
11111111111111 (14ones)
10101010101010
What are the encryption keys not allowed?
30303030303030 - purge key
0123456789ABCD - default key
00000000000000 - invalid key
What does the encryption key consist of?
14 characters hexadecimal characters or 0 to 9 & A - F
Methods of interrogation?
Timed and Manual
Types of interrogation?
Global and Specific
How do you delete the QD2?
Shift and delete then yes
What do you get in the message view on the QD2?
ID/Name text message fix time way point geo posn datum send time destination ID
How do you navigate with the QD2?
Provides a bearing and distance from one known position to another known position
What is purged on the QD2?
All user data entered incl. remote ID’s and associated encryption key’s, way points, Rx and free format msg
