Cessna 172P Pilot's Operating Handbook And Flight Manual page 324

18
CESSNA
3OO
TR,ANSPONDER
AND
ENCODING ALTIMETER
PILOT'S
OPER,ATING HANDBOOK
SUPPLEMENT
t2
3
45
67
l0
ll
l2
1,
FT
NCTION
SlttIlCH -
Controls
appllcation of power and
selects
transponder
operating
mode
as
followe:
OFF
-
lurns
sot
off.
SBY
-
Turns
set
on
for
equlpment warm-up.
ON
-
Turns
eet
on
and
eneble8
transponder to
transmit
Modo
A
(airoraft
identificatlon) r6ply
pulses.
ALT
-
Turns
set
on and enables
traneponder
to
transmit
either
Mode A
(alrcraft
identification)
reply
pulses
o¡
Mode
C
(altitude
reporting)
pulses
sêleoted eutometlca,lly
by
the
interrogating
signal,
2,
F,EPLY LAMP - Lamp
flashes
to indicate transmlssion of reply
pulses;
glows
steadily
to
indlcate
tra,nsmisslon of IDENT
pulee or
satlsfactory
self-test opera-
tion. (F,eply
Lamp
will
olso
glow steadily
during
lnitia,l w&rm-up period.)
Figure
1.
Cessna
300
Transponder
a,ud
Encoding
Altimeter
(Sheet
I
of
2)
t3
2
1
I
0
o
O
0
r0v
-/
(.
a' .J\
5
I
30
May
1980