16
O
PERA
TION
C
OMMAND
L
IST
In the following command descriptions, the elevation ver-
sion of each command, where there is one, is shown in pa-
rentheses (but don’t type the parentheses). Remember that
elevation commands require the
G-5400B
,
G-5600B
or
G-
5500
A
Z
/E
L
Rotators, or the
GX-500
adapter and the
G-
500
or
G-550
Elevation Rotator.
0
(
02
)
Offset calibration
for internal AZ (EL) trimmer potentiom-
eter: preset rotator manually fully counter-clockwise, send
command, and adjust trimmer on Control Interface until re-
turned values are equal. Turn off the
GS-232A
’s
POWER
switch to store settings.
H
(
H2
)
Returns list of commands (see page 19).
F
(
F2
)
Full Scale Calibration
: preset rotator manually to full scale,
send command, adjust
OUT VOL ADJ
trimmer on rear of
controller (or
GX-500
elevation adapter) until the returned
data is “+
0180
or +
0450
” (“+
0nnn
+
0180
” for eleva-
tion). Turn off the
GS-232A
’s
POWER
switch to save new
settings.
R
(
U
)
Start turning the rotator to the right (up)
L
(
D
)
Start turning the rotator to the left (down).
A
(
E
)
Stop azimuth (elevation) rotation.
S
Stop: cancel current command before completion.
C
(
B
)
Return current azimuth (elevation) angle in the form “+0nnn”
degrees.
C2
Return azimuth and elevation (“+
0
aaa
+
0
eee
”, where
aaa
= azimuth,
eee
= elevation).
X
n
Select azimuth rotator turning speed, where
n
= l (slowest)
to 4 (fastest). This command can be issued during rotation,
and takes effect immediately. There is no equivalent for el-
evation.
