Config: Rx: Dem: Iq-Tp; Config: Rx: Dem: Pilot; Config: Rx: Scr (Descrambler) - Comtech EF Data CDM-710 Installation And Operation Manual

CDM-710 Broadcast Satellite Modem
Front Panel Operation

Config: Rx: Dem: IQ-TP

If IQ-TP is selected:
Rx IQ TPs (J2-11,J2-3):
Pre-EQ Post-EQ
This selection determines whether the IQ test point located on the Alarm Connector samples the
IQ signal before or after the Adaptive Equalizer. J2-11 and J2-3 refer to the pins on the Alarm
Connector that an oscilloscope is connected to monitor I and Q.

Config: Rx: Dem: Pilot

This menu is only available when the Mode selection is DVB-S2.
IMPORTANT
Pilot
If is selected:
Rx Demodulation Pilot:
Off On
This read only menu is active only in the DVB-S2 mode. The demodulator automatically
determines if the pilots are on or off.

Config: Rx: SCR (Descrambler)

The SCR (Descrambler) menu is available only when the Mode selection is
DVB-S2.
IMPORTANT
Rx Descrambling Index:
Gold-n = 000000
The Descrambling menu is active only for the DVB-S2 Mode. Use the
select the desired digit. The value of the digit is then changed using the
The user should then press
The Gold-n index can be set from 0 to 262,141 and it indicates the Physical Layer spreading
sequence number. The default setting is all 0s.
(E)
(E)
(E)
.
ENTER
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Revision 9
MN/CDM710.IOM
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