11 (config: tx) α (tx alpha filter rolloff factor) – Comtech EF Data CDM-570A User Manual
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CDM-570A/570AL Satellite Modem with Optional Packet Processor
MN-CDM570A
Front Panel Operation
Revision 2
6–23
6.3.2.3.11 (Config: Tx) α (Tx Alpha Filter Rolloff Factor)
Txα: .35 .25 .20 .15 .10
.05 (◄ ►,ENT)
Use the
◄ ►
arrow keys to select a Tx Alpha Filter Rolloff Factor (Txα) of .35, .25, .20, .15, .10, or
.05. Press ENTER.
•
.35 is the default Tx Alpha Filter Rolloff Factor (Txα).
•
Set the Rx Alpha Filter Rolloff Factor (Rxα) to .35 when the Txα of the received
signal is .25 or .35.
•
Set the Rxα to .12 when the Txα of the received signal is .05, .10, .15, or .20.
•
When operating in CDM-570 Compatible Mode, the Txα is fixed to the default
value of .35. Selection of this feature and its options becomes disabled and
unavailable. See Sect. 6.2 for further information.