Cessna Skyhawk 172N Pilot Operating Handbook page 142

SECTION 7
CESSNA
AIRPLANE
&
SYSTEMS DESCRIPTIONS MODEL 172N
AUTOMATIC AUDIO SELECTION
~--------SPEAKER-------.
NAV/COM
AliTO 1 2
Q-
(I -
Q) -
I
AUTOMATIC AUDIO
ADF
I
3 1 2
0 - 0 -
g)OFF
PHONE
I
AUDIO SELECTOR
SELECTOR SWITCH SWITCH (TYPICAL)
As illustrated, the number 1 transmitter is selected, the AUTO selector switch is in
the SPEAKER position, and the NAV /COM 1,2 and 3 and ADF 1 and 2 audio
selector switches are in the OFF position. With the switches set as shown, the pilot
will transmit on the number 1 transmitter and hear the number 1 NAV/COM re ­
ceiver through the airplane speaker.
INDIVIDUAL AUDIO SELECTION
ADF
AUTOMATIC AUDIO AUDIO SELECTOR
SELECTOR SWITCH SWITCH (TYPICAL)
As illustrated, the number 1 transmitter is selected, the AUTO selector switch is
in the OFF position, the number 1 NAV/COM receiver is in the PHONE position,
and the number 1 ADF is in the SPEAKER position. With the switches set as
shown, the pilot will transmit on the number 1 transmitter and hear the number
1 NA V/eOM receiver on a headset; while the passengers are listening to the ADF
audio through the airplane speaker. If another audio selector switch is placed in
either the PHONE or SPEAKER position, itwill be heard simultaneously with
either the number 1 NAV/COM or number 1 ADF respectively.
Figure 7-10. Audio Control Panel
7-36
1
July 1978