Piper SENECA III - Page 333

PIPER
AIRCRAFT
CORPORATION
SECTION
9
PA-34-220T,
SENECA
III
SUPPLEMENT 12
lf selected
when
system
is
already
oper-
ating
in
another mode,
system
will
return
to
weather
mode;
second
switch
depres-
sion
will select
cyclic
contour
mode.
In
cyclic
contour
mode,
3-level
(red)
dis-
play
will
flash
on
and
off
at
i
2-second
intervals
(4)
MAP
Pushbutton
switch
used
to
select
ground
mapping mode.
(5)
TEST
Pushbutton
switch
used
to
select
test
mode.
Special
test
pattern
is displayed.
In
test,
transmitter
does
not
transmit
and
range
is
automatically
100
nm.
(6)
FRZ
Pushbutton
switch
used
to
select
freeze
mode.
Radar
display is
not
updated
with
incoming
target
return
data. As
a
warning
to
the
pilot,
FRZ
level
will
flash
on
and
off
at
1/2-second intervals.
(7)
AZ
MK
Slide
switch
used
to
display
three
azimuth
markers
at
30 degree
intervals.
(8)
T1LT
Rotary
control
that
enables pilot
to
select
angles
of
antenna
beam
tilt
with relation
to
airframe,
Rotating
control
CW
tilts
beam
upward;
CCW
rotation
tilts beam
downward.
(9)
10/25/50/100
Pushbutton
switches used
to
select
200 (DI-1005)
desired
range.
Five
range
marks
are
dis-
played for each
range.
INDICATOR
CONTROLS
AND DISPLAY
FEATURES
(cont)
Table 4-3
(cont)
ISSUED:
JANUARY
8,
1981
REPORT: VB-1110
5
of
6, 9-83