Config: Rx Freq (Frequency) - Comtech EF Data CDM-425 Installation And Operation Manual

6.2.1.4.2
Rx-IF Frequency:
Edit the Rx-IF Frequency by using the ◄ ►arrow keys to select a digit, and then using the ▲▼
arrow keys to change that digit. Press ENTER. Valid settings are:
IF Frequency
70/140 MHz
L-Band (FAST Option)
When you use the ODU menus to configure an LNB lockout frequency, this screen displays a
second line of information (this example uses low-sided mix):
Rx-IF Frequency:
(LO:12500 MHz
The Satellite frequency updates accordingly as you edit the IF frequency.
Satellite frequency = LO ± IF frequency, where the sign is determined
by the LO mix parameter:
•
•
Front Panel Operation
CONFIG: Rx Freq (Frequency)
Sat:13700.0000 MHz) ()
High-sided mix [–] (includes a spectral inversion);
Low-sided mix [+].
0070.0000 MHz
Range
50-180 MHz
950-2250 MHz
1200.0000 MHz
6–25
CDM-425 Advanced Satellite Modem
()
Step Size (Increment)
100 Hz
100 Hz
MN-CDM-425
Revision 0