Comtech EF Data SDM-2020 - Manual (Page 52)

SDM-2020 Satellite Modulator Revision 7
Front Panel Operation MN/SDM2020M.IOM
5-10
5.6.1.3 CONFIGURATION:MODULATOR:TX-IF FREQUENCY
TX-IF FREQUENCY
70.0000 MHz
Use this menu to program the modulator transmit frequency.
Range available: 50 to 180 MHz, in 2.5 kHz steps.
1 Press [ENTER] while this menu is displayed to turn OFF TX-IF Output.
2 Press [ENTER] a second time while this menu is displayed to turn ON TX-IF OUTPUT.
3 Observe the on/off status of the TRANSMITTER LED.
On entry, the current transmitter frequency is displayed with the flashing cursor on the first
character.
1 Press [ ←] or [→] to move the flashing cursor.
2 Press [ ↑] or [↓] to increase or decrease the digit at the flashing cursor.
3 Press [ENTER] to execute the change.
5.6.1.4 CONFIGURATION:MODULATOR:TX-IF OUTPUT
TX-IF OUTPUT
OFF
Use this menu to program the modulator output to ON, OFF, or MORE.
On entry, the current status of the output is displayed.
1 Press [ ↑] or [↓] to select ON or OFF.
2 Press [ENTER] to execute the change.
Additionally:
1 Press [ENTER] when MORE is displayed to show the menu for toggling TX-IF ON and OFF.
In this mode, the carrier is turned ON [
↑] or OFF [↓] without having to press [ENTER].
2 Press [ENTER} a second time with this menu displayed to turn ON TX-IF OUTPUT.
3 Observe the on/off status of the TRANSMITTER LED.