v240M – Marine Satellite Communication System
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Before calibrating the rate sensors located in the Sensor box, make sure
that the antenna is placed on a rigid and at platform. During the calibration
process, any motion of the antenna should be avoided as it can affect the
antenna’s performance. Proceed with the following steps to perform the
calibration.
Step 1. Enter Setup mode.
Step 2. Press the Idle Mode button to release the elevation and
cross level motor brakes while the antenna is in Setup mode.
Step 3. Check whether or not the bubble is located at the center of
the button level. If not, move it to the center (Refer to the previous
instruction of Tilt Sensor Bias adjustment).
Step 4. Press the Bias Check button to calibrate the rate sensor.
A blue circle will be displayed next to the Bias Check button if the
calibration is completed. A red circle will be displayed if calibration
failed. A green circle will be displayed during the calibration process.
• Conical Range: The relative force of the motors controlling azimuth and
elevation. Set the conical range while the antenna is in tracking mode.
• EL Adjust: The elevation adjustment is to offset the angle difference
between the mechanical elevation angle and actual elevation angle.
• Search Parameter:
Wait time: set the time-out for automatic initiation of a search after
the signal level drops below the pre-dened threshold value.
Search Step: set increment step size.
Type 1 & Type 3 (Search 1 & 3) Range: This parameter may not be
available dependent on model (ex. i-series). Set Search 1 & 3 search
range. Search 3 is conducted in a two-axis pattern consisting of
alternate movements in azimuth and elevation as it forms an
expanding square.
• Blockage Zone
Displays current blockage zones by azimuth and elevation sectors. Up to 5
blockage zones can be programmed. A blue shading area in the Antenna UI
view at the right will be displayed once the blockage zone is created.
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