Textron Cessna 172S Skyhawk SP, Information Manual

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CESSNA
MODEL 172S
SECTION 9 . SUPPLEMENTS
SUPPLEMENT 25 . FAA APPROVED
SECTION 3
EMERGENCY PROCEDURES
There is no change to the' airplane emergency procedures when
this' avionic equipment .is installed. However, .if the frequency
readouts fail, the radio will remain operational on the last frequency
selected. If either frequency transfer button is pressed and held
while power is applied to the unit, the unit wakes up with 120.00
MHz in the COMM use frequency and 110.00 MHz in" the NAV
active frequency, with both COMM and NAV in the active entry
mode. This will aid the pilot in blind tuning the radio. .
SECTION 4
NORMAL PROCEDURES
COMMUNICATION RECEIVER-TRANSMITIER OPERATION:
1. OFF/PULUTEST Volume Control .. Turn clockwise; pull out
and adjust to desired audio level; push. control back in to
activate the automatic squelch. .
2. MIC Selector Switch (on audio control panel) .- SET to COMM
1.
3. SPEAKER Selector (on audio control panel) .. SET to desired
mode.
4. COMM Frequency. Selector Knobs -- Select desired operating
frequency.
5. COMM TRANSFER Button -- PRESS to transfer desired
frequen'cy from the STBY display into the COMM display.
6. Mic Button:
a. To transmit -. Press button and speak in microphone.
NOTE
During COMM transmission, a lighted "T" will appear
between the "COMM" and "STBY" displays to inditate that
the transceiver is operating in the transmit mode.
b. To Receive .- RELEASE mike button,
Jan 31/02
S25.11