Cessna 172P - Page 274

12
FOSTER
AN,EA
NAVIGATION
(TYPE
511)
11
PILOT'S
OPEIIATING
HANDBOOK
SUPPLEMENT
7
RADIAL
AND DISTANCE
THITMBWHEEL8 -
\l¡eJ4roint
looeüon
(RADIAL
end
DISTANCE)
is dialed lnto
thumbwheele
to 0.1o
a¡rd 0.1NM
resoluflon.
Metimum
waypoint
offeet frorn the
VOH,TAC
ie
199.0 NM.
TEST
PUÊHBUTTON -
Pre¡s
to obock
proper
calibraüon
of RNA'V
õ11. If the
comput€r
is
properly
olllbra,ted,
the
dleplaye
(Z
& 6) read
the
..aotive"
\ilpT
bwbeele.
CDI
left/rtght
neodle
TO
when
the OBS
Betting i6 a,t
iut
thumbwheele.Test
may be
LOCKïNG
SCREW
-
Secures RNAV
õ11 in
dustcover.
Turn
locklng
screw
counterolockwise
several tutng
to releaee
unlt from
panel,
RADIAL
AND DISTANCE THUMBWHEELS
-
Waypoint
locarion
(IT,ADIAL
AND
DISTANCE)
is dlaled into thumbwheels
to
0,1o and
0.1
NM resolution.
Meximum
waypoint
offÊot from the
VORTAC ie
199.9
NM.
Figure 1.
Foster Area Nav
(Type
õ11) Computer OperatÍng
Controls a,nd Indicetors
(Sheet
2
of.2)
8.
I
10.
4
3O
May
1980