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Page 7-32 LMM for the Kodiak 100
190-02102-00 Rev.4
7.9.2 GTS Ground Test Procedure
Use a ramp tester such as a TIC TR220 or equivalent to make the following setup and
measurements.
1. The Ground Test mode can be set by starting PFD1 in configuration mode, and
the MFD and PFD2 in normal mode. Navigate to the AIRCRAFT
CONFIGURATION page in the SYSTEM folder group on PFD1. Press the GND
Test Softkey. Pull the PFD1 circuit breaker, wait a few seconds for it to power
down completely, and push back in to put PFD1 in normal mode. Once the
system is back up, ensure the transponder is now in Altitude mode (the text ‘1200
ALT’ is displayed in green text.
2. Disable ADS-B traffic (the GTX transponder is the traffic boss and will not show
TAS traffic if it is not in air mode. TAS traffic will be shown if the ADS-B traffic is
failed). There are two methods to disable ADS-B traffic, either can be used
3. Disable ADS-B traffic by covering the GPS antennas to lose the GPS signal. This
is the recommended method. Another is to install an air data test set, with an
altitude of 10,000 and 150 Kts of airspeed.
4. Press the Test softkey.
5. Use a ramp tester such as a TIC TR220 or equivalent to make the following setup
and measurements.
6. Position the test set directional antenna with a clear line of sight to the GTS
Processor antenna at 90 degrees.
7. With the GTS powered up and in TAS STBY mode (TAS STBY softkey is
displayed in green), press the TAS OPER softkey (green indication).
8. Select the following scenario:
• Intruder Type-ATCRBS Intruder Start Distance-10 NM.
• Intruder Start Altitude-10,000 ft Vertical Speed-0 fpm.
• Velocity-150 Kts.
9. Initiate the intruder scenario and make sure the following occurs:
• Traffic should be acquired at approximately 10 NM at 90 degree bearing and co
altitude. Monitor the intruder closes on own aircraft at a rate of 0.1 NM/sec.
Check that only a single target is displayed in the expected quadrant.
• The intruder should transition from Other Traffic (displayed as an open dia-
mond with 00 displayed above), to proximate traffic (displayed as a filled white
diamond with 00 displayed above), to a Traffic Advisory (TA) alarm.
• The appropriate TA symbology (yellow filled circle with 00 displayed above)
displayed, and an audio annunciation of ‘Traffic! 3 O'clock! Same Altitude! 3
Miles!’, when the intruder approaches within 3 NM.
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