Cessna 172P - Page 290

12A
RNAV
(TYPE
ANS-351C)
PILOT'S
OPER,ATING HANDBOOK
SUPPLEMENT
4.
RTN Pushbutton
-- PRESS to
return the display to the active
waypoint number
or operating
mode
(VOR
or LOC).
NOTE
In
the F,NAV
mode of
operation, the waypoint
seÌector may
also bo
manually rotated
until
the
active waypoint
number
is
again displayed in
lieu of using the RTN
pushbutton.
5.
\)VAYPOINT Number --
OBSERVE that number is continuously
on,
indicating that
active waypoint is
now
displ.ayed.
NOTE
Previewing
waypoints, whether in the conventional
VOR,/DME
modes or RNAV mode, wiII not affect system
operation
in any way.
WAYPOINT PROGRAMMING
ON
THE
GROUND:
1.
Using a VFF, sectional, enroute
instrument
chart, inst¡ument
approach
plate,
or enroute
RNAV chart
--
DETERMINE
distance
and radial
for desired waypoints
from appropriate
VOR/DME
stations.
NOTE
Start
engine
prior
to turning ON avionics
equipment.
2. VHF NAV
2 Receiver
--
ON
to apply
power
to Nav
receiver
and
RNAV set.
3,
DME
Nav Mode
Selector
Switch
--
RNAV.
4. WPT Selector Knob -- 1.
NOTE
When
power
is first
applied
to the
RNAV
set, waypoint
number
1
will be displayed
above
the \UPT legend
a,s the
active waypoint with zero
RADIAI a,nd DISTANCE
dis-
played.
5. RADIAL and DISTANCE Selector
Knobs
--
ROTATE
until the
desired data is displayed.
The displayed data
will be automatically
transferred into the
number 1 waypoint
memory.
t2
30 May
1980