Field Service Procedure – Replacement Pol Pot Kit, USAT
Page
5
of
7
Document No
135929 Rev A
Copyright © Sea Tel, Inc 2012 - The information contained in this document is proprietary to Sea
Tel, Inc. This document may not be reproduced or distributed in any form without prior written
consent of Sea Tel, Inc.
7.
Pol
Pot
Alignment
and
Verification:
*Note:
Do
not
try
to
drive
the
polarity
of
the
antenna
using
the
pol
window
of
the
DAC,
remote
commands
must
be
used.
1.
Drive
the
reflector
to
zero
degrees
of
elevation
to
view
the
orientation
of
the
LNB:
Press
the
button
to
turn
the
tracking
function
off
(if
applicable)
to
prevent
the
antenna
from
going
into
a
search.
Push
the
button
until
the
“Antenna”
window
is
displayed
(the
screen
will
show
the
AZ,
EL
and
REL
values).
Press
the
button
twice
to
isolate
the
“EL”
window
and
then
press
the
arrow
to
activate
it
(a
cursor
will
be
displayed).
Now
use
the
and
arrow
keys
to
scroll
the
cursor
along
and
use
the
and
arrow
keys
to
change
the
elevation
value
to
“00.0”
and
press
the
button.
2.
Set
the
Pol
Type
to
manual
mode:
Enter
the
“Setup
Menu”
mode
by
pressing
and
holding
the
arrow
keys
together
until
the
“EL
Trim”
or
“Auto
Trim”
window
is
displayed.
Push
the
arrow
key
until
the
“Polang
Type”
window
is
displayed.
Press
the
arrow
key
to
activate
the
window.
Now
use
the
and
arrow
keys
to
scroll
the
cursor
along
and
use
the
and
arrow
keys
to
change
the
characters.
Set
the
“Polang
Type”
to
“0009”
which
is
manual
mode
and
press
the
button.
3.
Press
the
button
again
to
display
the
“Pol
Offset”
window.
Verify
the
pol
offset
is
set
to
“0030”,
if
not
press
the
arrow
key
to
activate
the
window.
Now
use
the
and
arrow
keys
to
scroll
the
cursor
along
and
use
the
and
arrow
keys
to
change
the
characters
to
“0030”
and
press
the
button.
4.
Now
press
the
button
again
to
display
the
“Pol
Scale”
window.
Verify
the
pol
scale
is
set
to
“0090”,
if
not
press
the
arrow
key
to
activate
the
window.
Now
use
the
and
arrow
keys
to
scroll
the
cursor
along
and
use
the
and
arrow
keys
to
change
the
characters
to
“0030”
and
press
the
button.
4
*Note:
If
the
pol
offset
was
set
to
another
value
other
than
“0090”
the
feed
won’t
have
the
full
180
degrees
of
rotation
which
would
have
caused
alignment
issues.
If
this
was
the
case
set
the
pol
scale
to
‘0090’
and
repeat
the
“verify
the
range
of
motion”
test
at
the
beginning
of
this
procedure.
5.
Now
keep
pressing
the
button
until
the
“Remote
Command”
window
is
displayed
and
press
the
arrow
key
to
activate
the
window.
Now
use
the
and
arrow
keys
to
scroll
along
and
the
or
arrow
keys
to
change
the
characters
to
read
“g0120”
and
press
the
button
to
send
the
command
to
drive
the
feed
assembly
to
the
center
of
its
range.
*Note:
It’s
advisable
to
have
someone
watching
the
feed
while
it’s
being
driven
as
if
the
pot
isn’t
correctly
calibrated
there
is
the
possibility
to
damage
the
motor
if
the
feed
assembly
hits
its
mechanical
end
stop.
(
Steps
6
‐
11
require
assistance
to
observe
and
operate
antenna
simultaneously
)
6.
Observe
the
physical
alignment
of
the
LNB:
The
LNB
should
be
aligned
horizontally
with
the
coax
cable
pointing
to
the
left
(as
shown
below
in
Fig.
1.1).
If
not
continue
on
to
step
7,
otherwise
skip
ahead
to
step11.
Содержание USAT
Страница 1: ......
