Com Interrupt Operations; Com Only Operations - Cessna 1980 182Q Pilot's Operating Handbook And Flight Manual

PILOT'S OPERATING HANDBOOK
SUPPLEMENT
8
AM/FM CASSETTE STEREO
(TYPE EC-lOO)
COM INTERRUPT OPERATIONS:
NOTE
Aircraft radio(s) must be turned on and the desired audio,
to be monitored by COM Interrupt, must have the asso-
ciated receiver's SPEAKER/PHONE selector switche(s)
placed in the PHONE position on the audio control panel in
order for the COM Interrupt feature to be operational.
Audio signals that the pilot does not want to monitor, by
the COM Interrupt feature, must have their associated
receiver's SPEAKER/PHONE selector switch(es) on the
audio control panel placed in the OFF position.
1.
AM/FM Radio/Cassette Player -- SELECT and TURN ON desired
system to be operated.
2. VOL Control -- SET to desired listening level.
NOTES
This control affects the stereo headphone audio level of the
radio/tape system and other aircraft radios selected.
If the audio level from the Nav/Com Radio is too weak
getting to the entertainment center, the COM Interrupt
circuit will not be activated.
If
the audio level is too strong,
distortion will be produced in the audio signal.
3. Com Interrupt Pushbutton Selector Switch (on EC-100) -- PUSH
button in halfway and release to activate COM Interrupt circuit.
4. Aircraft's COM Radio SQ Control -- ROTATE clockwise until
background noise is noticable and note that the red (COM) annun-
ciator illuminates on the EC-100 to verify COM Interrupt opera-
tion. and then, backoff slightly on the SQ Control until background
noise disappears. Repeat this operation periodically in normal
flight.
COM ONLY OPERATIONS:
1.
PULL-COM ONLY Selector Knob -- PULL knob out to override all
audio modes in the EC-l00 and activate audio signals as selected by
the PHONE switches on the audio control panel.
2. COM Annunciator Light -- CHECK ON (Red) when selected audio
is being received.
1 October 1979
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