Piper SENECA III - Page 349

PIPER AIRCRAFT CORPORATION
SFCTION.9
PA-34-220T,
SENECA IH
SUPPLEMENT 15
CONTROL
'
DlSPI AY
FUNCTION
Function
selector
I. OFF
position
removes
primary
power
from
the
system.
2.
STRY
posnion
places
system
in
the
standby
condition
during
warm-up
period
and when
the
system
is
not
in
use.
No display.
3. TEST position
selects
test
function
to
de-
termine operability
of
the
system.
A
test
pattern
is
displayed.
NO transmission
exists
in
the
TEST
condition.
4. ON position
selects
the
condition
for
normal
operation.
Radar
transmission
exists
in
the
ON position.
(
g
)
RANGE Clears the display
and
places
the
indicator in
button
the
next
lower
range
each
time
the button is
pressed
(eg:
40
to
20),
until
minimum
range
is
reached.
TILT
control
Electrically adjusts the
antenna
to
move
the
radar
beam
up
to
+15
degrees
above
the
hori-
zontal,
or
to
a
maximum of
-IS degrees below
the
hori7ontal position.
The horizontal
posi-
tion is indicated
as
zero
degrees
on
the control.
TRACK
[+-]
When pressed,
a
yellow
track
cursor
line
ap-
button
pears
and
moves
to
the right
(in
one
degree
steps)
while
the
button
is
held
depressed.
The
track
cursor
stops
when
the
button
is
released,
and
remains
for about
10
to
15 seconds,
then
disappears
unless
the button is
pressed again.
The
differential
heading
will
be
indicated in
yellow
numerals
in
the
upper
left
corner
of
the
display,
and disappears
simultaneously
with
the
track
cursor.
CONTROL/DISPLAY FUNCTIONS
Table 4-3
ISSUED:
JANUARY
8,
1981
REPORT:
VB-1110
3 of 6,
9-99