TM 43-6625-916-12
RADAR TEST SET
0006 00
OPERATION UNDER USUAL CONDITIONS - Continued
Table 6-11. Platform Testing Problem Chart - Continued
Indicated Fault
Possible Cause
Action
No intruder targets on Wrong altitude setup
May be due to incorrect altitude entered into
aircraft TCAS display.
setup.
Aircraft preparation
TCAS testing required aircraft to be properly
prepared for testing such as correct altitude
simulated with pitot/static tester and radar
altimeter tester. AIR/GND switch is in proper
position. Refer to specific aircraft / weapons
system platform test procedures.
It is not necessary to turn off the Test Set. The Test Set will enter the standby mode automatically if no control
buttons are pushed for 60 seconds. The unit can remain in standby for extended periods. Therefore, it is not
necessary to remove the batteries during temporary storage (up to 30 days).
The Test Set will maintain the Mode 4 challenge video samples stored in the code load process after power is
removed. The code loading process does not load the code of the day keys into the Test Set. A sampling of
12 mode 4 interrogations is stored for each code: A, B, Verify A, and Verify B. A Test Set which has been
"Code Loaded" is not a secure device.
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