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Maintenance and Troubleshooting
9797B-70 C-Band TXRX
7-10
The Azimuth display should decrease (plots below red line) as the antenna is driven CCW and
increase (plots above red line) as the antenna is rotated CW.
7.3.8.
Open Loop Motor Test
The DacRemP
Comm Diagnostics
Window provides a means to enter in Remote Commands for driving
each individual torque motor to test that motors functionality. By driving each axis and observing the
resulting motion of the antenna, a coarse operational status of the motor and motor driver may be
established.
To manually drive the motors, select the
“Comm Diagnostics”
window under to the Tools
submenu or Press “CTRL + C”
Using the small field in the upper left hand corner of
the window, type in the remote command and verify
the motor appropriately drives in the direction
commanded.
To drive the Cross Level motor, key in
^
1064,
^
1128 or
^
1192 and press
ENTER
to drive the Cross Level axis
LEFT, OFF or RIGHT respectively.
To drive the Level motor, key in
^
2064,
^
2128 or
^
2192
and press
ENTER
to drive the level axis FORWARD,
OFF or BACKWARD respectively.
To drive the Azimuth motor, key in
^
3064,
^
3128 or
^
3192 and press
ENTER
to drive the azimuth axis CW,
OFF or CCW.
7.3.9.
To Disable/Enable DishScan
To be able to use Step Track, or to revert to Conscan, as your active tracking mode you will have to disable
DishScan.
Select the
DISHSCAN
parameter window on the ACU:
1.
Press the RIGHT arrow, then press the UP arrow and last press the ENTER key to turn DishScan mode
ON.
2.
Press the RIGHT arrow, then press the DOWN arrow and last press the ENTER key to turn DishScan
Mode OFF.
If you change this remote parameter, you must save the change using REMOTE PARAMETERS.
If DishScan is
OFF
and the
Step Integral
parameter is set to
0000
, you will get a
constant
ERROR
0016
(DishScan error) and you will see
zeros
flashing in the lower left of the Azimuth and Elevation ENTRY menu
displays. This is a visual indication that DishScan is turned OFF.
Содержание 9797B-70 C-Band TX/RX
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