Comtech EF Data SDM-650B - Manual (Page 174)

Data Rates and Filters SDM-650B Satellite Modem
A–8 Rev. 6
The following functions are found in the Select Config menu. Refer to Chapter 4 for
more information.
TXR Transmitter Rate.
On entry, the current transmitter rate is displayed with the flashing cursor on the first
character of the coding type on line 1, and the data rate on line 2. Use the arrow keys
to select one of four pre-defined rates or variable. Press [ENTER] when TXV is
displayed to change the rate using the variable rate selection. A flashing cursor will be
displayed on the first character of the coding type on line 1. Use [
← ] and [ → ] to move
the flashing cursor. Use [ ↑ ] and [ ↓ ] to increment or decrement the digit at the flashing
cursor. Press [ENTER] to execute the change.
Note: When the TX rate has been programmed, the transmitter is automatically
turned OFF to prevent swamping of other channels. Use the RF_Out function to turn
ON the transmitter.
RXR Receiver Rate.
On entry, the current receiver rate is displayed with the flashing cursor on the first
character of the coding type on line 1, and the data rate on line 2. Use the arrow keys
to select one of four pre-defined rates or variable. Press [ENTER] when RXV is
displayed to change the rate using the variable rate selection. A flashing cursor will be
displayed on the first character of the coding type on line 1. Use [
← ] and [ → ] to move
the flashing cursor. Use [ ↑ ] and [ ↓ ] to increment or decrement the digit at the flashing
cursor. Press [ENTER] to execute the change.