Com Both Audio Selector Switch; Auto Audio Selector Switch - Cessna 1980 182Q Pilot's Operating Handbook And Flight Manual

. SECTION 7
CESSNA.
AIRPLANE
&
SYSTEMS DESCRIPTIONS
MODEL 182Q
(SPEAKER) position, audio from the communications receiver selected by
the transmitter selector switch will be heard on the airplane speaker.
Switching the transmitter selector switch to the other transmitter auto~
matically switches the other communications receiver audio to the
speaker. This automatic audio switching feature may also be utilized when
listening on a headset by placing the COM AUTO switch in the down
(PHONE) position. If automatic audio selection is not desired, the COM
AUTO selector switch should be placed in the center (OFF) position.
COM BOTH AUDIO SELECTOR SWITCH
The audio control panel used with either one or two transmitters
incorporates a three-position toggle switch, labeled COM BOTH, which is
provided to allow both COM receivers to be monitored at the same time. For
example,
if
the COM AUTO switch is in the SPEAKER position, with the
transrD.itter selector switch in the number one transmitter position,
number one communications receiver audio will be heard on the airplane
speaker.
If
it is also desired· to monitor the number two communications
receiver audio without changing the position of the transmitter selector
switch, place the COM BOTH selector switch in the up (SPEAKER)
position so that the number two communications receiver audio will be
heard in addition to the number one communications receiver audio. This
feature can also be used when listening on a headset by placing the COM
BOTH audio selector switch in the down (PHONE) position.
NOTE
The combination of placing the:: COM AUTO switch in the
. SPEAKER position and the COM BOTH switch in the
PHONE position (or vice versa) is not normally recom-
mended as it will cause audio from both communications
receivers (and any other navigation receiver with its audio
selector switch in the PHONE position) to be heard on both
theairplane speaker and the headset simultaneously.
AUTO AUDIO SELECTOR SWITCH
The audio control panel used with three transmitters incorporates a
three-position toggle switch, labeled AUTO, which is provided to automat-
ically match the audio of the appropriate NAV/COM receiver to the
selected transmitter. To utilize this automatic feature, leave all NA V / COM
audio se~ector switches in the center (OFF) position, and place the AUTO
selector switch in either the SPEAKER or PHONE position, as desired.
Once the AUTO selector switch is positioned, the pilot may then select any
transmitter and its associated NAV / COM receiver audio simultaneously
with the transmitter selector switch.
If
automatic audio selection is not
desired, the AUTO selector switch should be placed in the center (OFF)
position.
7-40
1 October 1979