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SDM-300L3 Satellite Modem
Front Panel Operation
FUNCTION SELECT: CONFIGURATION: DEMODULATOR:
SWEEP RANGE
Programs the overall travel of the sweep width range during acquisition in the directed
sweep mode. The sweep width may be set from 0 to 1,000,000 Hz. When set at 60000
Hz, the modem is in the default acquisition mode. The smaller the range, the faster the
modem will lock, provided the receive carrier center frequency is within the RX IF
frequency sweep range.
Upon entry, the current programmed setting is displayed. Press [←] or [→] to move the
flashing cursor. Press [↑] or [↓] to increment or decrement the digit at the flashing cursor.
Press <ENTER> to execute the change.
FUNCTION SELECT: CONFIGURATION: DEMODULATOR:
REACQUISITION
Programs the sweep reacquisition mode time duration. This is the time that the modem
will remain in a narrow sweep after loss of acquisition. After this timer runs out, the
modem will return to the normal acquisition sweep. The reacquisition time is 0 to 999
seconds.
Upon entry, the current programmed setting is displayed with a flashing cursor on the
first character. Press [←] or [→] to move the flashing cursor. Press [↑] or [↓] to
increment or decrement the digit at the flashing cursor. Select the number of seconds
desired for the reacquisition mode. Press <ENTER> to execute the change.
SWEEP RANGE
60000
Hz
REACQUISITION
0 SECONDS
4–24
Revision 1
MN/SDM300L3.IOM
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