Cessna Hawk XP R172K Pilot Operating Handbook page 101

CESSNA 300 TRANSPONDER
AND ALTITUDE ENCODER (BLIND)
PILOT'S OPERATING RAN.
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OPERATING HANDBOOK
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CESSNA 300 TRANSPONDER
AND ALTITUDE ENCODER (BLIND)
:L !DENT (ID) SWITCH - When depressed, selects special pulse
identifier to be transmitted with transponder reply to effect
immediate identification of aircraft on ground controller's dis-
play. (Reply lamp will glow steadily during duration of !DENT
pulse transmission. )
4. DIMMER (DIM) CONTROL - Allows pilot to control brilliance of
reply lamp.
5. SELF-TEST (TST) SWITCH - When depressed, causes trans-
ponder to generate a self-interrogating signal to provide a check
of transponder operation. (Reply lamp will glow steadily to
verify self-test operation.)
6. REPLY-CODE SELECTOR KNOBS (4) - Select assigned Mode A
reply code.
7. REPLY-CODE INDICATORS (4) - Display selected Mode A
reply code.
8. REMOTE-MOUNTED DIGITIZER - Provides an altitude reporting
code range of -1000 feet up to the airplane's maximum service
ceiling.
1. FUNCTION SWITCH - Controls application of power and selects
transponder operating mode as follows:
OFF - Turns set off.
SBY - Turns set on for equipment warm-up or standby power
ON - Turns set on and enables transponder to transmit
Mode A (aircraft identification) reply pulses.
ALT - Turns set on and enables transponder to transmit
either Mode A (aircraft identification) reply pulses
or Mode C (altitude reporting) pulses selected auto-
matically by the interrogating signal.
2. REPLY LAMP - Lamp flashes to indicate transmission of reply
pulses; glows steadily to indicate transmission of IDENT pulse
or satisfactory self-test operation. (Reply lamp will also glow
steadily during initial warm-up period. )
Figure 1. Cessna 300 Transponder and Altitude Encoder (Blind)
(Sheet 1 of 2)
Figure 1. Cessna 300 Transponder and Altitude Encoder (Blind)
(Sheet 2 of 2 )
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