Cessna Hawk XP R172K Pilot Operating Handbook page 108

CESSNA 400 TRANSPONDER
AND ALTITUDE ENCODER (BLIND)
PILOT'S OPERATING HA.N'"'''''' -.... .•.....• ·LOT'S OPERATING HANDBOOK
SUPPI.I<~II I IJ,~)PLEMENT
CESSNA 400 TIU\NSPONDER
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LTITUDE ENCODER (BLIND)
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SECTION 2
LIMITATIONS
(2) Function Switch -- ON.
(3) DIM Control -- ADJUST light br ilhuncc of reply lamp.
NOTE
There is no change to the airplane limitations when this avionic: (.(I
ru
I
ment is installed. However, a placard labeled "ALTITUDE ENCODI':I>
EQUIPPED" must be installed near the altimeter.
During normal operation with function switch in ON posi-
tion, reply lamp flashes indicating transponder replies
to interr-ogations,
SECTION 3
EMERGENCY PROCEDURES
(4) ID Button -- DEPRESS momentarily when instructed by gr-ound
controller to "squawk IDENT" (reply lamp will glow stoadl Iy, in-
dicating !DENT operation). .
TO TRANSMIT AN EMERGENCY SIGNAL:
'1'0 TRANSMIT MODE C (ALTITUDE REPORTING) CODES IN FLIGHT':
(1) Function Switch -- ON.
(2) Reply-Code Selector Switches -- SELECT 7700 operating code.
(3) ID Switch -- DEPRESS then RELEASE to effect immediate i
deut
i
fication of aircraft on ground controller's display.
(1) Reply-Code Selector Switches -- SELECT asstgned code.
(2) Function Switch -- ALT.
NOTE
TO TRANSMIT A SIGNAL REPRESENTING LOSS OF ALL
COMMUNICATIONS (WHEN IN A CONTROLLED ENVIRONMENT):
When directed by ground controller to "stop altitude
squawk", turn Function Switch to ON for Mode A
operation only.
(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.
NOTE
Pressure altitude is transmitted by the transponder
for altitude squawk and conversion to indicated alti-
tude 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 aircraft altimeter.
SECTION
4
NORMAL PROCEDURES
(3) DIM Control -- ADJUST light brilliance of reply lamp.
TO SELF-TEST TRANSPONDER OPERATION:
BEFORE TAKEOFF:
(1) Function Switch -- SBY.
TO TRANSMIT MODE A (AIRCRAFT IDENTIFICATION) CODES IN FLIGHT
(1) Function Switch -- SBY and wait 30 seconds for equipment to
warm-up.
(2) Function Switch -- ON.
(3) TST Button -- DEPRESS (reply lamp should light brightly
regardless of DIM control setting).
(4) TST Button -- RELEASE for normal operation.
(1) Reply-Code Selector Switches -- SELECT assigned code.
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