Cessna 172P - Page 292

12A
R,NAV
(TYPE
ANS-3õ1C)
PILOT'S
OPER,ATING
HANDBOOK
SUPPLEMENT
CHECK
FUNCTION:
The distance
of the aircraft from tbe selected
VOR
/
DME
station may be
checked
at anytime
while operating iu the RNAV modewheneverthe
DME
display selector
switch is in
the NM
poeition.
1. CHK
Pushbutton
-- PRESS
ànd HOLD.
2.
DME
Digital
Display
--
OBSERVE diEtauoe from
VOR/DME
station displayed.
3. DME
lIIAYPOINT
(!VPT)
Annunoiator
--
OBSERVE
WPT annun-
ciator
EXTINGUISHED as
a signal
that raw DME
data is
being
displayed
on the DME.
4. CHK
Pushbuttou
--
RELEASE.
sEcTloN
5
PERFORMANCE
Thore
Ís
no change
to the airplane
performance
when thÍs avionic
equipment
is installed.
However, the
installation of an externally
mounted
antenna
or several
related
external antennas, will result
in a
minor
reduction
in cruise
performance.
14
80 May 1980