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RC3000 Antenna Controller Chapter 3 Detailed Operation
127
3.3.2.10 Shake
The SHAKE mode performs repetitive mount movements. The SHAKE mode is for support of mount
testing and for automatic mount demonstrations such as trade shows. The SHAKE mode is only
available if expert access is enabled.
The SHAKE mode implements a repetitive sequence of three “moves”. Each “move” is programmed with
azimuth, elevation and polarization targets. Moves # 1 and 2 proceed in the order elevation, polarization
and azimuth. Move # 3 proceeds in the order of azimuth, polarization and elevation to accommodate a
“stow-like” sequence. NOTE: if polarization movement is not desired, set the polarization type (see
polarization configuration) to “circular”. When SHAKE is selected, the following screen appears.
AZ 1: -40.0 2: 50.0 3: 0.0 SHAKE
EL 1: 30.0 2: 40.0 3: -67.5 CYCLE: 100
PL 1: -10.0 2: 10.0 3: 0.0 DELAY: 1
<1>START <CONFIG-SHAKE>EDIT <MODE>MAINT
This opening screen shows the programmed values for the SHAKE mode. The azimuth(AZ),
elevation(EL) and polarization(PL) targets for each of the three “moves” is displayed. Also displayed is
the programmed number of movement CYCLES to accomplish and the time in seconds to DELAY
between each “move”. The pattern the above move targets describe is shown in the following figure.
The programming of the targets, cycles and delay is accomplished via the SHAKE configuration screen
(3.3.1.17). To initiate the SHAKE sequence, press the Pol CCW/1 key. If you wish to modify the SHAKE
parameters go to the CONFIG-SHAKE mode. To exit out of SHAKE press the Mode key.
When SHAKE is started the following screen appears:
AZIM: 0.2 SHAKE
ELEV: -55.3 DELAY
POL: 0.6 CYCLE: 1/ 5
<STOP>HALT MOTION <MODE>MAINT
As each axis moves its header (AZIM, ELEV, POL) flashes and the current position is updated. The
CYCLE field shows the current_cycle / total_cycles . When the SHAKE function is delaying between
moves, "DELAY” is displayed.
Movement may be stopped at any time by pressing the Stop or Mode keys.
-40.0 0.0 50.0
30.0
40.0
Azimuth
Elevation