Comtech EF Data SDM-650B Installation And Operation Manual page 176

Data Rates and Filters
ASSIGN RX_FLTRS
A–10
Demodulator Symbol Rate Assignment.
The demodulator has four symbol rate filter assignments. Each filter
is for a specific symbol rate. The data rate and coder rate for each
filter is established upon initial modulator installation and when
circumstances indicate the need to do so. Filters are designated as
A, B, C, and D. To view the current filter assignments, press
[ENTER] when the ASSIGN RX-FLTRS selection is displayed from
the Utility Functions menu. On line 1 of the display will be RXA, which
indicates receive filter A. Following RXA on line 1 will be the code
rate (1/2, 3/4, or 7/8). On line 2 will be the data rate assigned to filter
A. Use [ ] and [ ] to see the assignments for filters B, C, and D
← →
(RXB, RXC, and RXD). To change a filter assignment, press
[ENTER] when the data for that filter is displayed. Use [
until the flashing cursor is at the parameter to be changed. Then use
[ ] and [ ] to change that parameter. When all changes are made,
↑ ↓
press [ENTER] to confirm the assignment.
Note: These assignments are used for the selection of RXR in the
Config menu.
SDM-650B Satellite Modem
← ] and [ → ]
Rev. 6