Item 30. Proximity Warning System

28 Change 1

TM 11-1520-209-ESC

RATINGS

PROCEDURE

GREEN

AMBER

RED

Set the Proximity Warning System

Receiver-Transponder ABOVE,

Receiver-Transponder ABOVE, EQUAL or

TRANSPONDER GND TEST/

EQUAL and BELOW indicator

BELOW indicator lamps do not light.

CONFIDENCE TEST SWITCH TO

lamps light in cycle.

Audio alarm not heard in pilot's and copilot's

Audio alarm is heard in the pilot's

headsets.

Note: The ABOVE. EQUAL. and

and copilot's headsets.

BELOW lamps normally light and

cycle one time when power is initially

applied.

Ratings for Auxiliary System. The color rating will be the lowest rating recorded above