Cessna T182 1982 Pilot Operating Handbook page 241

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PILOT'S OPERATING HANDBOOK
CESSNA 400 TRANSPONDER
SUPPLEMENT
AND ENCODING ALTIMETER
Function Selector Switch -- ON.
{ JIM Control -- ADJUST light brilliance of reply lamp.
NOTE
During normal operation with function selector switch in
ON position, REPLY lamp flashes indicating transponder
replies to interrogations.
4. ID or XPDR IDENT Button -- DEPRESS momentarily when
instructed by ground controller to "squawk IDE NT" (REPLY lamp
will glow steadily, indicating IDENT operation).
TO TRANSMIT MODE C (ALTITUDE REPORTING) CODES IN FLIGHT:
1. Off Indicator Warning Flag -- VERIFY that flag is out of view on
encoding altimeter.
2. Altitude Encoder Altimeter Setting Knob -- SET IN assigned local
altimeter setting.
3. Reply-Code Selector Switches -- SELECT assigned code.
i
Function Selector Switch -- ALT.
NOTE
When directed by ground controller to "stop altitude
squawk", turn Function Selector Switch to ON for Mode A
operation only.
NOTE
Pressure altitude is transmitted by the transponder for
altitude squawk and conversion to indicated altitude is
done in ATC computers. Altitude squawked will only
agree with indicated altitude when the local altimeter
setting in use by the ground controller is set in the
encoding altimeter.
5. DIM Control -- ADJUST light brilliance of reply lamp.
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(
( ,LF-TEST TRANSPONDER OPERATION:
1. Function Selector Switch -- SBY and wait 30 seconds for equip ­
ment to warm-up.
2. Function Selector Switch -- ON or ALT.
21 August 1981
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