Sea Tel DAC-2202, Installation And Operation Manual

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Setup DAC-2202 Antenna Control Unit
5-12
5.23. 5V SCALE (May not be in your software)
90 degree 5V Polang servo motion scale factor. Refer to your antenna manual.
To manually update, press the LEFT arrow key to bring the cursor up under the least significant character. Continue to
move the cursor until the desired character to be edited is underscored (selected). Use the UP or DOWN arrow keys to
increment or decrement the selected character.
Use the LEFT or RIGHT arrow key to move the cursor left or right to select other characters to modify. When you are
finished modifying press ENTER to execute the new value OR press NEXT to abort and exit setup mode.
5.24. TX Polarity
Selects TX polarity override to disable Polang selection and coordinate TX polarities, therefore it is NOT used in TVRO
antennas).
Refer to your antenna manual for default setting of this parameter.
To manually update, press the LEFT arrow key to bring the cursor up under the least significant character. Continue to
move the cursor until the desired character to be edited is underscored (selected). Use the UP or DOWN arrow keys to
increment or decrement the selected character.
Use the LEFT or RIGHT arrow key to move the cursor left or right to select other characters to modify. When you are
finished modifying press ENTER to execute the new value OR press NEXT to abort and exit setup mode.
5.25. TRACK DISP
This parameter sets the selections that the user will see in the Tracking - Band Selection menu. Band Selection must be
set to the appropriate selection for Tracking to operate properly.
Band selection controls the local logic output state of SW1 output terminal on the Terminal Mounting Strip PCB and
remote C/Ku relays (or other switches) on the antenna pedestal.
Refer to your antenna manual for the proper default value (and the associated displayed ACU selections, and the
remote Tone/Band/Voltage controls, that will be set as the band selection is toggled by the operator.
When the SW1 output is shorted to ground a current sink of 0.5 amps max is provided to control below decks band
selection tone generators or coax switches. When SW1 output is open it is a floating output.
5.26. SAVE NEW PARAMETERS
Press RIGHT arrow and then press ENTER to save any recent changes in NVRAM for permanent storage. A “Parameters
Saved” message will be displayed. If changes are made and not stored, they will still be effective but will be lost when
power is removed or when the RESET is pressed. Press LEFT and RIGHT arrows at the same time to access this sub-
menu
5.27. REMOTE COMMAND
Use to enter diagnostic commands to the PCU. Allows sending specific commands to the PCU from the ACU. All the
checksums and response strings are handled by the ACU.
The default displayed remote command in the ACU is @0000 which gets the Latitude & Longitude position of the GPS
mounted on the pedestal.
To send a different remote command to the PCU;
1. Press the LEFT arrow key to bring up the cursor and move it to the left until the current symbol in front of the
0000 is underscored.
2. Increment or decrement the symbol using the UP & DOWN arrow keys until the desired character is
displayed.
3. Press the RIGHT arrow to underscore a digit to change and use the UP & DOWN arrow keys until the digit is
the desired value. Continue moving the cursor and incrementing/decrementing digits until the desire value
has been entered.
4. Press the ENTER key to send the command to the PCU. A response may be displayed in the lower line of the
Remote Command window, or in the Remote Monitor window, depending on the command sent.
Refer to the Maintenance & Troubleshooting section of your antenna manual for some of the common diagnostic
commands.