Cessna 172P - 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