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

CDM-710 Broadcast Satellite Modem
Front Panel Operation
5.3.1.3

(CONFIG:) Rx

Rx: FEC Dem Code SymRate
Mode Freq EbNo PLL
Select FEC, Dem(od), Code, SymRate, Mode, Freq, EbNo, or PLL using the
then press
ENTER.

(CONFIG: Rx) FEC

Rx FEC:
Viterbi + Reed-Solomon (
This screen is 'status only' and its appearance depends on the selection made under the
(CONFIG: Rx) Mode submenu.
For DVB-S2 Mode only:
Rx FEC:
LDPC + BCH
Press or
ENTER

(CONFIG: Rx) Dem (Demod)

Rx Demod: Type Inv Acq α
Eq IQ-TP Pilot Scr (
The Pilot and Scr(ambler) selections appear only when the Mode selection is
DVB-S2.
IMPORTANT
Select Type, Inv, Acq, α, Eq, IQ-TP, Pilot, or Descr using the
(CONFIG: Rx) Dem
Rx Dem:
16APSK
Select the demodulation type using the ◄ ► arrow keys, then press
•
If the Mode selected is DVB-DSNG, the allowable modes are selectable depending
upon the equipment options purchased.
•
If the Mode selected is DVB-S, this screen is 'status only' and the cursor rests under
QPSK.
•
If the Mode selected is DVB-S2, this screen 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; the cursor then rests under the modulation type.
(
(
to return to the previous menu
CLEAR
E)
Type
QPSK 8PSK 16QAM
32APSK (
E)
E)
E)
E)
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Revision 11
MN/CDM710.IOM
arrow keys,
arrow keys, then press
ENTER
. Note the following:
ENTER
.