Textron Cessna 172R - Page 356

SECTION
9
-
SUPPLEMENTS
SUPPLEMENT
1
-
FAA
APPROVED
CESSNA
MODEL
172R
SECTION
2
LIMITATIONS
There is
no
change
to
the
airplane
limitations
when
this
avionic
equipment
is
installed.
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.
COMMUNICATION
RECEIVER-TRANSMITTER
OPERATION:
1.
OFF/PULLJTEST
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
frequency
from
the
STBY
display
into
the
COMM
display.
SECTION
3
EMERGENCY
PROCEDURES
SECTION
4
NORMAL
PROCEDURES
S1-12
Dec
2/96
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