Config: Tx) Α (Tx Alpha Filter Rolloff Factor) - Comtech EF Data CDM-570A Installation And Operation Manual

70/140 mhz satellite modem; l-band satellite modem; reduced chassis depth l-band satellite modem

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CDM-570A/570AL Satellite Modem with Optional Packet Processor

Front Panel Operation

(Config: Tx) α (Tx Alpha Filter Rolloff Factor)

Txα: .35 .25 .20 .15 .10

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.

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Troubleshooting