Piper SENECA III - Page 338

SECTION
9
PIPER
AIRCRAFT CORPORATION
SUPPLEMENT
13
PA-34-220T,
SENECA
IH
(b)
PRELIMINARY CONTROL
SETTINGS
Place
the
Indicator
controls
in the following positions before
applying
power
from
the
aircraft electrical
system:
INTensity
control.............
Fully counterclockwise, in
OFF
TILT
control.................................Fully
upward
RANGE
switch............................
12
nautical
míles
(c)
OPERATIONAL
CONTROL
SETTINGS
(1)
Rotate
INTensity
control
clockwise
to
bring
system
into
ON
condition.
(2)
Note
that
WAlT
is displayed during
warm-up
period
of
30-40
seconds.
(3)
When
WX
is displayed,
rotate
INTensity control
clockwise
until
display
brightness
is
at
desired
level.
(4)
Set
RANGE
switch
to
desired
range.
(5)
Adjust TILT
control
for desired forward
scan area.
(d)
PRECAUTIONS
If the
radar
is
to
be
operated
while
the
aircraft is
on
the
ground:
(1)
Direct
nose
of
aircraft
such
that
antenna
scan
sector
is free of
large
metallic
objects
(hangars,
other
aircraft) for
a
distance
of
100
yards
(90
meters),
and
tilt
antenna
fully
upward.
WARNING
Do
not
operate
the
radar
during
refueling
operations
or
in the
vicinity
of
trucks
or
containers
accommodating
flammables
or
explosives; do
not
allow
personnel
within
15
feet of
area
being
scanned
by
antenna
when
system
is
transmitting.
(2)
Flash
bulbs
can
be
exploded
by
radar
energy.
(3)
Since
storm
patterns
are
never
stationary,
the
display
is
constantly
changing,
and
continued
observation
is
always
advisable where
areas
of
turbulence
prevaiL
REPORT:
VB-1110
ISSUED:
JANUARY 8,
1981
9-88,
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