Table of Contents
Advertisement
SDM-100A Satellite Modem
3.2.2.5.1 Utility Modulator: Type 1 Operation
Assign Transmit Filters
Modulator Type
Rev. 0
Transmit filter display/assignment utility. Used to make filter rate
reassignments.
The modulator has five symbol rate filter presets. Filters are
designated as A, B, C, D, and V.
Note: Switching between Modem types will reset the Filter presets
to their factory-defined values.
To view the current preset assignments, press [ENTER] when the
"Assign Transmit Fltrs" selection is displayed from the "UTILITY
FUNCTIONS" menu.
On line 1 of the display will be "TX-A," which indicates transmitter
filter A. Following "TX-A" 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 preset "A." Press [
[
] to see the assignments for presets B, C, D, and V (TX-B,
→
TX-C, TX-D, and TX-V). To change a preset assignment, press
[ENTER] when the data for that preset is displayed. Press [
[
] until the flashing cursor is at the parameter to be changed, then
→
press [
] or [
] to change that parameter. When all changes are
↑
↓
made, press [ENTER] to confirm the assignment. If a preset
data/code rate is changed and the modem is currently using that
preset, the modem will be reprogrammed to the new data/code
rate.
Note: These assignments are used for the selection of "TX-R"
(Transmitter Rate) in the configuration functions menu.
Transmit Filter Type Select.
Allows operator to select SDM-51 compatible, CSC Closed, FDC
closed, or EFD Closed network filtering.
Operation
] or
←
] or
←
3–69
Advertisement
Table of Contents
Need help?
Do you have a question about the SDM-100A and is the answer not in the manual?
Questions and answers