Cessna 152 - Page 202

CESSNA
300
NAV/COM
(TYPE RT-385A)
PILOT'S
OPERATING
HANDBOOK
SUPPLEMENT
VOR
SELF-TEST
OPERATION:
1.
COM
OFF/VOL
Control
--TURN
ON.
2.
NAV
Frequency
Selector
Switches
--
SELECT
usable
VOR
station
signal.
3.
OBS
Knob
--
SET
for
0°
course
at
course
index;
course
deviation
pointer
centers
or
deflects
left
or
right,
depending
on
bearing
of
signal;
NAV/TO-FROM
indicator
shows
TO
or
FROM.
4.
ID/VOX/T
Switch
--
PRESS
to
T
and
HOLD
at
T;
course
deviation
pointer
centers
and
NA
V
/TO-FROM
indicator
shows
FROM.
5.
OBS
Knob
--
TURN
to
displace
course
approximately
10°
to
either
side
of
0°
(while
holding
ID
/VOX/T
to
T).
Course
deviation
pointer
deflects
full
scale
in
direction
corresponding
to
course
displace-
ment.
NA
V
/TO-FROM
indicator
shows
FROM.
6.
ID/VOX/T
Switch
--
RELEASE
for
normal
operation.
NOTE
This
test
does
not
fulfill
the
requirements
of
FAR
91.25.
SECTION 5
PERFORMANCE
There
is
no
change
to
the
airplane
performance
when
this
avionic
equipment
is
installed.
However,
the
installation
of
an
externally
mounted
antenna
or
several
related
external
antennas,
will
result
in
a
minor
reduction
in
cruise
performance.
8
1
July
1978