System Operation
System Operation Modes
OceanTRx
TM
4-500 Installation and Operations Manual
8-5
8.1.7
Satellite Preset Mode
Activating Satellite Preset Mode moves the Antenna to a user-defined geo-stationary
longitude.
To activate Satellite Preset mode:
1. From the
Operation Screen
, open the
Mode
menu and select
Sat. Preset
. The
Satellite Preset Mode
dialog box appears.
Figure
8-3: Satellite Preset Mode Dialog Box
2. Enter the satellite’s geostationary arch longitude in the following format: a positive
number from 0.0
°
to 180.0
°
for east, or a negative number from -0.0
°
to -180.0
°
for
west. For example:
4
°
West is entered as ‘-4.0’.
13
°
East is entered as ‘13.0’.
3. Click
OK (Enter)
. A confirmation message box appears.
4. Click
OK (Enter)
. The
ANTENNA
points to the specified longitude.
8.1.8
Search Mode
Under normal working conditions, Search Mode is activated automatically from the
Acquire and Acquire Satellite Preset Modes when the AGC level falls below the threshold.
However, you may need to activate it manually for maintenance and integration
purposes.
When Search Mode is active, the Antenna moves in an expanding and contracting spiral
until the AGC signal is above the threshold.
To activate Search Mode
1. Make sure correct satellite tracking channel is selected.
2. From the
Operation Screen
, open the
Mode
menu and select
Search
. A
confirmation message box appears.
3. Click
OK (Enter)
. The antenna begins searching.
