CESSNA AIRCRAFT COMPANY FOR TRAINING USE ONLY
MODEL 152 9-43
SECTION 2 – LIMITATIONS
There is no change to the airplane limitations when this avionic equipment is installed. However, a
placard labeled “ALTITUDE ENCODER EQUIPPED” must be installed near the altimeter.
SECTION 3 – EMERGENCY PROCEDURES
TO TRANSMIT AN EMERGENCY SIGNAL:
1. Function Switch – ON.
2. Reply-Code Selector Switches – SELECT 7700 operating code.
3. ID Switch – DEPRESS then RELEASE to effect immediate identification of aircraft on ground
controller’s display.
TO TRANSMIT A SIGNAL REPRESENTING LOSS OF ALL COMMUNICATIONS (WHEN IN A CONTROLLED
ENVIRONMENT):
1. Function Switch – ON.
2. Reply-Code Selector Switches – SELECT 7700 operating code for 1 minute; then SELECT 7600
operating code for 15 minutes and then REPEAT this procedure at same intervals for remainder
of flight.
3. ID Switch – DEPRESS then RELEASE at intervals to effect immediate identification of aircraft on
ground controller’s display.
SECTION 4 – NORMAL PROCEDURES
BEFORE TAKEOFF:
1. Function Switch – ON.
TO TRANSMIT MODE A (AIRCRAFT IDENTIFICATION) CODES IN FLIGHT:
1. Reply-Code Selector Switches – SELECT assigned code.
2. Function Switch – ON.
3. DIM Control – ADJUST light brilliance of reply lamp.
NOTE
During normal operation with function switch in ON position, reply lamp
flashes indicating transponder replies to interrogations.
4. ID Button – DEPRESS momentarily when instructed by ground controller to “squawk IDENT”
(reply lamp will glow steadily, indicating IDENT operation).
TO TRANSMIT MODE C (ALTITUDE REPORTING) CODES IN FLIGHT:
1. Reply-Code Selector Switches – SELECT assigned code.
2. Function Switch – ALT.
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