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3 --- Change to XL steps for AZ/EL
1 --- Change to L steps for AZ/EL
For all directions: view from behind antenna. 'Large steps' normally are 10 times the step size
configured for this axis. Pressing the 3 key enlarges them to 'XL steps', 100 times the standard
step size. Pressing 1 changes back to 10x steps. The step size is configured on the 'Setup'-page
on the sat-nms ACU-ODMs Website.
The XL step size requires a sat-nms ACU-ODM with software version 2.2.035 2013-12-02 or
newer. If you have an older version, it is not possible to drive XL steps although you can select
them on the handheld. If you nevertheless want to drive XL steps, please contact SatService
GmbH and request a software update.
If one or all motors are moving, they can stop with the following key:
0 --- Stop every motor
6.1 Display mode
The display mode shows the actual reading and some additional information in the display. This is
the default mode, the ACU enters it automatically after power on. Depending on the selected
tracking mode, the default display looks like this:
The upper display line shows the actual target name and the three axes angles. The lower line
shows the selected tracking mode depending on tracking mode, the size of the tracking memory
and the model data or nothing, and the beacon level.
While the ACU is not in a regular state, the display shows a message. The ordinary contents of
the display and the message are shown alternately, the message blinks on the display. The
following messages may be displayed at the corresponding position in the display.
At the corresponding angle position:
FAULT --- General ACU Fault
TIMEOUT --- Motor moves, but the position encoder does not react
HI-LIMIT --- High limit switch is activated
LOW-LIMIT --- Low limit switch is activated
STOPPED --- Motor stopped, over Web interface or with the STOP-Button on front panel
BEAC FLT --- If the ACU reads the beacon level via TCP/IP from sat-nms LBRX and the
beacon receiver does not respond
LOW BEAC --- Low beacon signal
If more than one of the above conditions occurs, only that one with the highest precedence is
shown. This means for example that the HI-LIMIT state precedes over the LO-LIMIT state.
6.2 The main menu
The menu mode lets you view and change some ACU settings. From the display mode, you enter
(C) 2022, SatService GmbH
www.satnms.com
ACU-19V-UM-2209 Page 35/64
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