Cessna 152 - Page 205

PILOT'S
OPERATING HANDBOOK
SUPPLEMENT
CESSNA
300
TRANSPONDER
AND
ALTITUDE
ENCODER (BLIND}
3.
IDENT
(ID}
SWITCH -
When
depressed,
selects
special
pulse
identifier
to
be
transmitted
with
transponder
reply
to
effect
immediate
identification
of
aircraft
on
ground
controller's
dis'.'"
play.
(Reply
lamp
will
glow
steadily
during
duration
of
IDENT
pulse
transmission.}
4.
DIMM~
(DIM) CONTROL - Allows
pilot
to
control
brilliance
of
reply
lamp.
5.
SELF-TEST
(TST) SWITCH -
When
depressed,
causes
trans-
ponder
to
generate
a
self-interrogating
signal
to
provide
a
check
of
transponder
operation.
(Reply
lamp
will
glow
steadily
to
verify
self-test
operation,}
6.
REPLY-CODE
SELECTOR
KNOBS
(4) -
Select
assigned
Mode A
reply
code.
7.
REPLY-CODE
INDICATORS (4) -
Display
selected
Mode
A
reply
code.
8.
REMOI'E-MOUNTED
DIGITIZER -
Provides
an
altitude
reporting
code
range
of
-1000
feet
up
to
the
airplane's
maximum
service
ceiling.
Figure
1.
Cessna
300
Transponder
and
Altitude
Encoder
(Blind)
(Sheet
2
of
2)
1
July
1978
3