Comtech EF Data SLM-5650A Installation And Operation Manual page 93

SLM-5650A Satellite Modem
Front Panel Operation
CONFIG: Tx
Tx:
First, use the  arrow keys to select Overhead, Rate, RS-CW, and Depth, and then press
[ENT]. Then, use the  arrow keys to scroll through the available settings. Press [ENT] once
again when done.
Option
Overhead
Rate
RS-CW
Depth
CONFIG: Tx
Tx Frequency:
Spectrum:
First, use the  arrow keys to select Tx Frequency or Spectrum, and then press [ENT].
Use Method 1 or Method 2 to enter the desired Tx Frequency:
Method Procedure
1 Use the number keypad and enter the desired frequency. Press [ENT] when done.
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:
2
For 70/140 MHz: Valid range is 52
For L-Band: Valid range is 950
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.
Overhead

Overhead:None
RS-CW:N/A
Setting
IESS-308, IESS-309 are standard; AUPC is optional.
96 kbps (IESS-308); 1/15 (IESS-309 or AUPC); N/A (None).
Reed-Solomon Code Word, N/K: 126/112, 194/178, 208/192, 219/201, 220/200, 225/205.
Interleaving depth: 4, 8 or 16.
Some selections will only be visible if the modem is set to a compatible mode, or
if an option is installed or enabled.
Frequency

1955.0000 MHz
Normal
Rate: N/A
Depth:N/A (E)
(E)
– 88, 104 – 176 MHz (in 100 Hz steps).
–
2000 MHz (in 100 Hz steps).
5–11
Revision 8
MN-SLM5650A