Comtech EF Data SNM-1001L - Manual (Page 89)

SNM-1001L Satellite Modem Revision 1
Front Panel Operation MN/SNM1001L.IOM
4–25
FUNCTION SELECT: CONFIGURATION: DEMODULATOR:
LNB 10 MHZ REF
LNB 10 MHz REF
OFF
Programs the LNB 10 MHz REF to On or OFF. The LNB 10 MHz reference is transmitted out the
center conductor of the RF-IF connector.
Upon entry, the current status of the descrambler is displayed. Press [
↑] or [↓] to make the
selection. Press to execute the change.
FUNCTION SELECT: CONFIGURATION: DEMODULATOR:
RS DECODER
RS DECODER
OFF
Programs the Reed-Solomon decoder On, Off, or Correction_Off.
Upon entry, the current status of the Reed-Solomon decoder is displayed. Use [
↑] or [↓] to select
one of the following modes:
ON Enables the Reed-Solomon decoder to provide data error corrections.
This is the Normal operating Mode.
CORRECTION_OFF Turns off the Reed-Solomon decoder data error correction circuitry. Data
flow is then routed through normal data paths without error corrections.
This is a Test Mode.
OFF The RS decoder is normally disabled (off position). To execute any of the
Reed-Solomon decoder modes, enter the desired Reed-Solomon decoder
and select the desired mode. This is a Test Mode.
Press [ENTER] to execute the change.
IMPORTANT
If none of the proper overhead types or data rates apply, the Reed-
Solomon decoder in the On state will be rejected (double beep). With
the Reed-Solomon decoder turned On (not off or Correction_ Off), the
corrected BER will be reported from the outer decoder (Reed-Solomon
decoder).