Config: Tx) Freq (Frequency) - Comtech EF Data CDM-760 Installation And Operation Manual

Front Panel Operation
CDM-760 Advanced High-Speed Trunking Modem

6.2.2.2.3 (CONFIG: Tx) Freq (Frequency)

Freq:1200.0000 MHz
Txα:.20
Use the   arrow keys to select a parameter. Press ENTER.
(CONFIG: Tx) Freq  Freq
Use the   arrow keys to select a digit, and then use the  arrow keys to change that digit.
Press ENTER.
(CONFIG: Tx) Freq  Spectrum
Use the  arrow keys to select Inverted or Normal. Press ENTER.
The modem itself determines the Tx spectral inversion while in CnC mode. You
cannot change the spectral inversion selection while CnC mode is ON. The modem
rejects any attempt at changes.
(CONFIG: Tx) Freq Txα (Tx Alpha Filter Rolloff Factor)
Use the  arrow keys to set the Txα. Press ENTER. Valid settings are:
Mode
DVB-S2
DVB-S2-EB1
DVB-S2X
(CONFIG) Tx: FreqGoldCode (Gold-n Index Code)
CRITICAL!
Make sure that the Tx GoldCode value matches the Rx GoldCode value of the distant
end modem.
The GoldCode indicates the Physical Layer spreading sequence number. Use the   arrow keys
to select a digit, and then use the  arrow keys to change that digit. Press ENTER. Valid
settings are:
Minimum
000000
GoldCode:000000
Txα (Tx Alpha Filter Rolloff Factor) (%)
.20, .25, .35
.05, .10, .15, .20, .25, .35
.05, .10, .15, .20, .25, .35
Maximum
262141
Spectrum:Normal
Default
.20 (20%)
.20 (20%)
Default
000000
6–15
Revision 4
MN-CDM760
()