Product specifications

CDM-710 Broadcast Satellite Modem Revision 10
Front Panel Operation MN/CDM710.IOM
(CONFIG:) Tx Æ Mod
IMPORTANT
The Pilot and Frame selections only appear if the Mode selection is DVB-S2.
Tx Modulation: Type Inv
α Pilot Frame (E)
Select Type, Inv, α, Pilot, or Frame using the ◄ ► arrow keys. The User should then press
ENTER.
If Tx Modulation Æ Type is selected:
Tx Mod: QPSK 8PSK 16QAM
16APSK 32APSK (E)
Select the Transmit Modulation Type by using the ◄ ► arrow keys. The User should then press
ENTER.
Modulation Type Description
QPSK Valid for DVB-S, DVB-S2
8-PSK Valid for DVB-S2, DVB-DSNG
16-QAM Valid for DVB-DSNG
16-APSK Valid for DVB-S2
32-APSK Valid for DVB-S2
If Tx Modulation Æ Inv is selected:
Tx Spectrum: Normal
Inverted (E)
Select Normal or Invert using the ◄ ► arrow keys. The User should then press
ENTER.
If Tx Modulation Æ α is selected:
Tx (α) Rolloff %: 20 25
35 (E)
Select the Rolloff (α) setting using the ◄ ► arrow keys. The default setting is 20%. Whenever
the Mode is changed, (α) reverts to 20%, but (α) can be modified to 25% or 35% from this
menu. The User should then press
ENTER.
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