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Settings
Aircraft Category
Aircraft Length & Width
ICAO Address
Aircraft Call Sign
Anonymous Mode
Multi-Function Display
Altitude Filter Settings
Transmit Only
CAPSTONE feature
GDL 90 Installation Manual
Format
Description
integer (int)
Code for aircraft category, from 0 to 18
0 = No aircraft type information
1 = Light (ICAO) < 15 500 lbs
2 = Small - 15 500 to 75 000 lbs
3 = Large - 75 000 to 300 000 lbs
4 = High Vortex Large (e.g., aircraft such as B757)
5 = Heavy (ICAO) - > 300 000 lbs
6 = Highly Maneuverable > 5G acceleration and high speed
7 = Rotorcraft
8 = (Unassigned)
9 = Glider/sailplane
10 = Lighter than air
11 = Parachutist/sky diver
12 = Ultra light/hang glider/paraglider
13 = (Unassigned)
14 = Unmanned aerial vehicle
15 = Space/transatmospheric vehicle
16 = (Unassigned)
17 = Surface vehicle — emergency vehicle
18 = Surface vehicle — service vehicle
<int> <int>
<length> <width>
1 to 300 feet
xxxxxxxx
Eight octal digits
xxxxxxxx
Eight characters defining aircraft call sign. Valid characters are A-
Z, 0-9, and trailing space.
Enter # if call sign is not available.
x
1=available, 0=not available
When in anonymous mode, the GDL 90 doesn't send out aircraft
ICAO address.
x
0 = not installed
<int> <int>
<above> <below>
filtering)
GDL 90 will not make available targets that are at altitudes higher
than the aircraft's altitude + <above> OR lower than aircraft's
altitude - <below>
Ex: if (50 20) was entered and aircraft is currently at 6000', the
GDL 90 will only provide for display any targets that are between
4000' (6000-2000) and 11000' (6000+5000).
Enter zero if no filtering is desired.
x
1 =Tx-only
Indicates whether the installed GDL 90 is a transceiver or just a
transmitter.
x
0 =disabled
Enable/disable Capstone Squawk Code features. Refer to Section
3.2 for more explanation of this setting.
560-1049-00 Rev B
Post-Installation Configuration & Checkout
1 = MX20
10 to 254 hundreds of feet (Zero= No
0 =Tx/Rx
1 =enabled
4-3
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