Comtech EF Data SLM-5650A - Manual (Page 99)

SLM-5650A Satellite Modem Revision 8
Front Panel Operation MN-SLM5650A
5–17
2
Select the digit to be edited using thearrow keys, and then change the value of that digit by
using the  arrow keys. Press [ENT] when done.
For 70/140 MHz: Valid range is 52 – 88, 104 – 176 MHz (in 100 Hz steps).
For L-Band: Valid range is 950 – 2000 MHz (in 100 Hz steps).
When entering an IF frequency, the M&C will check the occupied bandwidth
calculated from the data rate, modulation type, code rate and overhead, and will
not allow an IF frequency to be entered if the occupied bandwidth falls outside of
the minimum or maximum IF frequencies.
Select Spectrum to counteract frequency converters that invert the spectrum. Use the  arrow
keys to select Normal or Invert, and then press [ENT] when done.
CONFIG: Rx  Acquisition
Acquisition: Range: 0001.000 KHz
Reacq: 000 Seconds(E)
First, use the arrow keys to select Range or Reacq, and then press [ENT]. Then, use Method
1 or Method 2 to configure these options:
Method Procedure
1 Key in the desired frequency using the numbered keypad. Press [ENT] when done
2 Select the digit to be edited using the  arrow keys, and then change the value of that digit by
using the  arrow keys. Press [ENT] when done.
Note the following:
Option Settings
Range Demodulator Acquisition range: 0 – 60 kHz (in 1 Hz steps).
Reacq Holdoff time before the demodulator reverts to normal acquisition: 0 to 999 seconds. During the
holdoff, the demodulator will stay centered on the last known frequency position of the carrier for faster
reacquisition.