TM 43-6625-916-12
RADAR TEST SET
0006 00
OPERATION UNDER USUAL CONDITIONS - Continued
b. Energize the IFF system to be tested.
NOTE
The Test Set will enter the standby mode if none of the control buttons have
been pushed for 60 seconds (display will be off). Press any button to return
the Test Set to the active state.
c. Press any button to bring the Test Set out of standby mode to active mode or apply power to the Test Set.
d. Press and hold the S3 button for 3 seconds at any time to select a different test mode
(transponder/interrogator/setup).
e.
Initiate Transponder (Paragraph 6-6) or Interrogator (Paragraph 6-7) testing.
6-5. RADIATED (OVER THE AIR) TEST OPERATION
a. Energize the IFF system to be tested.
b. Position the Test Set at an appropriate distance from the aircraft antenna. Transponder test range is from
10 to 150 feet (3.1 to 46.1 m). Interrogator test range is from 30 to 70 feet (9.3 to 21.5 m). Aim at the
aircraft's antenna through the Test Set viewfinder.
NOTE
The Test Set will enter the standby mode if none of the control buttons have
been pushed for 60 seconds (display will be off). Press any button to return
the Test Set to the active state.