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PILOT'S OPER,ATING
HANDBOOK
SUPPLEMENT
12
FOSTER
AREA NAVIGATION
(TYPE
õ11)
2
345
6
7
lt 109
1.
WAYPOINT
PUSHBUTÎON
(WPT)
- Activa,tos
tho wa,ypoint
da,ta dialed
into
the
left
side
thumbwhools
(11).
Whon
pressed,
the WPT
pushbutton
lights
to indicate
whioh waypoint is
"active".
TheWPT
pushbutton light intensity
is controlledby
a
photoceu (4),
2. MAGNETIC
BEARING DISPLAY F,EADOUT
-
Digitally
displa,ys the magnetic
bearing from
the
airplane
to the
uiaypoint. While
VOR/DME
pushbutton
(õ)
is
pressed,
the digital
display reads RADIAL flom
the VOR station
on
which
the
airplane is
presently positioned.
3, RNAV ON/OFF PUSHBUTTON
(IINAV
ON)
-
When
pressed,
F,NAV ON
light
witl illuminato and set is turned ON. When
preesed
egtin,
set will bo
turned OFF
a,nd
tho RNAV ON
light
will
go
out. The
pushbutton lighting is automs,tica,lly
dimmed by the
photooell (4).-
4. PHOTOCELL
-
Senses ambient cockpit light
a,nd controls brightness
of
pushbut-
tonÊ
(1,
3, 5
&
7) and
digital displays
(2
&
6).
5.
VOII, DME PUSHBUTTON
- Provides
PRESENT POSITION
informa,tion
as
to
VOF,
F,ADIAL
and
DME DISTANCEI digitally
in
poeitions
(2)
and
(6)
respectively
when
the
pushbutton
is
pressed.
6. DISTANCE DISPLAY
FEADOUT
-
Digitally
displays airplane
DISTANCE
TO
or FROM the waypoint. Reads by 0.1 NM incroments up
to 99,9 NM and
by 1.0 NM
increments
over 100 NM. Maximum ra,nge
readout
is
199 NM.
While
VOR
/DME
pushbutton (õ)
is
pressed,
the
digital display
reads DME distanoo to the
VOF,TAC
station from
the airplane.
Figure 1, Foster
Area
Nav
(Type
511)
Computer
Operating
Controls
end
Indicators
(Sheet 1 of 2)
3
30
May
1980
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