Config: Rx: Demod; Config: Rx: Dem: Type; Config: Rx: Dem: Inv - Comtech EF Data CDM-710 Installation And Operation Manual

CDM-710 Broadcast Satellite Modem
Front Panel Operation

Config: Rx: Demod

If the Dem is selected:
Rx Demod: Type Inv Acq 
Eq IQ-TP Pilot Scr (E)
The Pilot and Scrambler selections only appear if the Mode selection is DVB-S2.
IMPORTANT
Select the Rx Demodulation. Use the
should then press

Config: Rx: Dem: Type

Type
If is selected:
Rx Dem: QPSK 8PSK 16QAM
16APSK 32APSK
If the Mode selected is DVB-S then the menu is read only and the cursor rests under QPSK. If the
Mode is DVB-DSNG the allowable modes are selectable depending upon the equipment options
purchased.
In DVB-S2 mode the menu is status only and the type of modulation is determined automatically.
Prior to synchronization of the Rx path the cursor may reside in any position. After
synchronization (Rx Traffic LED is Green) re-enter the Type menu to update the display and the
cursor rests under the modulation type.

Config: Rx: Dem: Inv

Inv
If is selected:
Rx Spectrum:
Automatically Detected
This menu is read only. The demodulator automatically resolves frequency inversion.
Normal or Inverted is not reported in the demodulation.

ENTER .
arrow keys to scroll through all the choices. The user
(E)
5–20
Revision 9
MN/CDM710.IOM