Cessna 172P Pilot's Operating Handbook And Flight Manual page 305

PII/OT'g OPEIIATING HANDBOOK
gUPPI,EMEI{T
õ.
POINIT¡R
-
Indic¡þE st¡üon
of tho
airoraft,lllhen
headlng
t:ruo
beering
of
rsdlo
slg-Dal.
15
CESSNA
8OO
ADF'
(TY-PE R-õ468)
bearing
in
degrees
of
azlmuth, r€lctfv€
to th€ nose
control
le adJusted,
lndiootee relotive, mog¡etic, or
3.
FT'NCTION
EIVITCH:
BF O:
Seleote
operetion
sÊ
oommunioatlon reoelver ueing only
aense
antenna
aud
¡otlvotoe
10ü)-I{z tone
beat
freguency oscillotor
to
pernlt
coded
ldeDtlfler
of
stetlons
tron¡mlttlng
keyed
C\[I
ei¡¡aale (Morae
Gode)
to
be
hsard,
REC: Seteots
operation
aa
atandard communiceùlon Ì€o€lv€r ueing only
senae
antenna,
ADF:
9et operates
as
eutometlo
dirêotioD
finder
uslng
loop
and
EeDBe
enten-
DA,Ê.
TEIST:
Momental1¡-on
posltion
us€d
durlng
r{I)f'
operation to test
beartng
reliabllity.
lühen
held
in
TEST
position,
6lewe
lndlo¡tor polnter
olookwisei wben
released,
if
beoring
ie
¡elioble,
pointer returtrs
to
origl¡el
beorlng posltion.
4,
INDEX (ROTATABLE CARD)
-
I¡dioatee
relative,
megnotio,
or
true
headlng
of
¿l¡or¡ft,
as
s€l€ot€d
by
HDG control,
6.
HEADING
CARD CONTROL (HDG)
- Rotetes
card to
set
in relative, mag¡etic, or
truo
bea,rlng
lnform¡tlon.
Figure
1.
Cessna
300
ADF Operating Controls
&nd
fudicetors
(Sheet
2
ot 2)
3
30
May
1980