Piper SENECA III - Page 337

PIPER
AIRCRAFT
CORPORATION SECTION
9
PA-34-220T,
SENECA
III
SUPPLEMENT 13
(1)
OFF
On
Off
function: full
CCW rotation
of
INTensity
control
places
system
in OFF
condition.
(2)
INT
Rotary
control
used
to
regulate
brightness
(INTensity) of display.
(3)
TILT
Rotary
control used
to
adjust
antenna
elevation
position.
Control
indexes incre-
ments
of tilt
from
0
to
l2
degrees
up or
down.
(4)
RANGE
Rotary
switch
used
to
select
one
of
four
12
30/60/90
ranges.
or
12
30
60
120
(5)
CYC Pushbutton
switch
used
to
select
cyclical
contour
mode.
Data
is presented
alter-
nately
as
normal
for
0.5
seconds, then
contoured
for 0.5
seconds.
Pressing
switch
a
second
time
restores
normal
or
WX
mode.
(6)
Range
Field
Maximum
selected
range
is
displayed.
Maximum
range
is
always
displayed
when
indicator is
in
on-condition.
(7)
Test
Field
Test
block
displays
three
illumination
levels.
(8)
Range
Mark
lndividual label
displayed for
each
range
Identifier
mark.
(9)
Mode
Field
Operating
mode
is displayed
as
WX
or
CYC.
When
system
is first
turned
on,
WAIT
is
displayed
until
system
times
out
(30-40
seconds).
INDICATOR
CONTROLS
AND
DISPLAY FEATURES
Table
4-3
ISSUED: JANUARY
8, 1981
REPORT: VB-1110
3 of
6, 9-87