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SFC > 112G > Flashcards

112G Flashcards

0
Q

Explain the fixes?

A

- sat finding, attempting to find
|| - sat found/acquired, attempting to fix
|||| - (fat solid line) sat fixed

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1
Q

Freq range of channel A & B?

A

225 - 320 MHz

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2
Q

112G power settings?

A

VHF 0 - 1 WATT

UHF 1 WATT

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3
Q

How many satellites for a fix?

A 
2D = 3
3D = 4
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4
Q

Where do you find the QuickDraw serial number?

A

Serial number plate on the rear

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5
Q

What is the short tile of the 112G?

A

AN/PRC 112G

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6
Q

What does CPLS stand for?

A

Combat personnel locating system

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7
Q

What is the battery life for

  • Radio only
  • Radio + GPS
  • GPS Only
  • beacon
A

Approx 7h - Radio only
Approx 6h - Radio + GPS
Approx 24h - GPS Only
less than 2h- beacon

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8
Q

What does the battery management show?

A

1/4
1/2
3/4

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9
Q

What is the weight of the 112G?

A

2.2lbs

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10
Q

Where can you find the unique programmable ID?

A

On the rear on the Serial number plate

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11
Q

What is the VHF frequency range?

A

121.500Mhz Beacon or Voice

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12
Q

What does almanack mean and name the boot timing?

A

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

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13
Q

What do you get with GEO?

A

Geodetic - latitude, longitude, degrees, minutes, seconds and fractions

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14
Q

What do you get with GEO2?

A

Geodetic - latitude, longitude, degrees, minutes and fractions minutes

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15
Q

What does MGRS stand for?

A

Military Grid reference system

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16
Q

What does UTM stand for?

A

Universal transverse Mercator

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17
Q

How many Canned messages does the 112G and QD2 have?

A

25msg

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18
Q

How many free format characters can you have in a message?

A

60 characters

19
Q

How many way points has the 112G and QD2 have?

A

112G - 250

QD2 - 100

20
Q

Name 4 parts of the 112G CES?

A

Transceiver; antenna; spare pouch (spare antenna & ear piece); battery; user manual; quick ref guide

21
Q

What does DME stand for?

A

Direction measure equipment

22
Q

What does ADF stand for?

A

Automatic Direction find

23
Q 
What lights do you get on the Bit indicator for the following?
Bit failure
Low battery
Bit failure and low battery
DME green light
A

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

24
Q

Name the quality index?

A

Q1 - less than 100m best
Q2 - less than 200m good
Q3 - less than 400m fair
Q4 - less than 1000m poor

25
Q

What heading does a 112G have and whats the difference between it and a QD2?

A

112G - True north

     - Magnetic north
     - Grid north

QD2 - True north
- Magnetic north

26
Q

What are the 4 Navigation alarms?

A

Arrival at way point
Cross track alarm
Arrival limit alarm
passed way point alarm

27
Q

Do you have post amble on or off on a 117F?

A

On

28
Q

What does WGS84 Stand for?

A

World geodetic survey 84

29
Q

What does the QD2 interrogate automatically from the 112G?

A

ID, Position, Time and Encryption status

30
Q

What does CSAR?

A

Combat search and rescue

31
Q

What is the power source for the QD2 and battery life?

A

4 AA alkaline batteries

Approx 24 hours back light of

32
Q

Weight of the QD2?

A

680g without batteries

33
Q

How many IDs can the QD2 hold?

A

100 ID max

34
Q

How many Rx messages can the QD2 store?

A

100

35
Q

Name four parts off the QD2 CES?

A

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

36
Q

What do you select on start up of the QD2 connected to a 117F?

A

URC/200/LST5A and PTT Auto A mode

37
Q

What are the 3 forms of relay on the QD2?

A

Manual forward
Auto forward
Auto relay

38
Q

Name the two training keys?

A

11111111111111 (14ones)

10101010101010

39
Q

What are the encryption keys not allowed?

A

30303030303030 - purge key
0123456789ABCD - default key
00000000000000 - invalid key

40
Q

What does the encryption key consist of?

A

14 characters hexadecimal characters or 0 to 9 & A - F

41
Q

Methods of interrogation?

A

Timed and Manual

42
Q

Types of interrogation?

A

Global and Specific

43
Q

How do you delete the QD2?

A

Shift and delete then yes

44
Q

What do you get in the message view on the QD2?

A 
ID/Name
text message 
fix time
way point
geo posn
datum
send time
destination ID
45
Q

How do you navigate with the QD2?

A

Provides a bearing and distance from one known position to another known position

46
Q

What is purged on the QD2?

A

All user data entered incl. remote ID’s and associated encryption key’s, way points, Rx and free format msg

SFC (14 decks)

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