Cessna Hawk XP R172K Pilot Operating Handbook page 99

CESSNA 300 TRANSPONDER
AND ENCODING ALTIMETER
PILOT'S OPEHATINC TlANDIl(~
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8UPPLEMI': In
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'ILOT'S OPERATING HANDBOOK
'lJPPLEMENT
CESSNA 300 TRANSPONDER
AND ENCODING ALTIMETER
SECTION
2
LIMITATIONS
There is no change to the airplane limitations when this avionic equu.
ment is installed.
SECTION
3
EMERGENCY PROCEDURES
TO TRANSMIT AN EMERGENCY SIGNAL:
(1) Function Switch -- ON.
(2) Reply-Code Selector Knobs -- SELECT 7700 operating code.
(3) ID Switch -- DEPRESS then RELEASE to effect immediate identi-
fication 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 Knobs -- 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 -- SBY.
TO TRANSMIT MODE A (AIRCRAFT IDENTIFICATION) CODES IN
FUGHT:
(1) Off Indicator Warning Flag -- VERIFY that flag is out of view on
encoding altimeter.
4
(2) Reply-Code Selector Knobs -- SELECT assigned code.
(3) Function Switch -- ON.
(4) DIM Control -- ADJUST light brillianee of reply lamp.
NOTE
During normal operation with function switch
ill ()N po:;i·,
tion, reply lamp flashes indicating transpond,'
I' I"
'pi
i, '::
to interrogations.
(5) ID Button -- DEPRESS momentarily when instru('t.-d l
rv 1',I'(Jlllld
controller to "squawk IDENT" (reply lamp will glow :;I,':r<illy,
ill'
dicating !DENT operation).
'1'0 TRANSMIT MODE C (ALTITUDE REPORTING) CODES
IN 1"1.1<;11'1':
(1)
Off Indicator Warning Flag -- VERIFY that flag is
(Jill
"I
VI/'W fill
encoding altimeter.
(2) Altitude Encoder Altimeter Setting Knob -- SET IN
:1::::'1',111'<1
local altimeter setting.
(3) Reply-Code Selector Knobs -- SELECT assigned
cod.,.
(4) Function Switch -- ALT.
NOTE
When directed by ground controller to "stop altitude-
squawk", turn Function Switch to ON for Mode A
operation only.
NOTE
Pressure altitude is transmitted by the transponde-r
for altitude squawk and conversion to indicated
all
i
tude is done in ATC computers. Altitude squawke-d
will only agree with indicated altitude when the
1,)(,;
rI
altimeter setting in use by the ground contro lle
I'
i:;
set in the encoding altimeter.
(5) DIM Control -- ADJUST light brilliance of reply
1:11111'
'1'0 SELF-TEST TRANSPONDER OPERATION:
(1)
Function Switch -- SBY and wait 30 seconds for
"'1"
'1
1111
,"1 I"
warm-up.
(2) Function Switch -- ON or ALT.
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