Mocomtech CDM-QX - Manual (Page 93)

CDM-Qx/QxL Multi-Channel Satellite Modem with DoubleTalk™ Carrier-in-Carrier® Revision 7
Front Panel Operation MN/CDMQX.IOM
5–27
5.4.3.9 CONFIG: Rx
Æ Inv
Rx Inversion functions:
Spectrum Data Clock (◄ ►,ENT)
To set the Transmit Inversion Functions, select Spectrum, Data, or Clock using the ◄ ► arrow
keys, then press
ENTER
.
CONFIG: Rx
Æ Inv Æ Spectrum
Rx Spectral Inversion:
Normal Inverted (◄ ►,ENT)
Select Normal or Inverted using the ◄ ► arrow keys, then press
ENTER
.
CONFIG: Rx Æ Inv Æ Data
Rx Data Sense:
Normal Inverted (◄ ►,ENT)
Select Normal or Inverted using the ◄ ► arrow keys, then press
ENTER
.
CONFIG: Rx
Æ Inv Æ Clock
Rx Clock Inversion:
Normal Inverted (◄ ►,ENT)
Select Normal or Inverted using the ◄ ► arrow keys, then press
ENTER
.
5.4.3.10 CONFIG: Rx
Æ Misc
Rx Misc: EbNo Rxα
(◄ ►,ENT)
Select EbNo or Rx α using the ◄ ► arrow keys, then press
ENTER
.
CONFIG: Rx
Æ Misc Æ EbNo
Rx Clock Inversion:
Normal Inverted (◄ ►,▲ ▼,ENT)
If the Eb/No falls below this selected value, a receive traffic fault will be generated. To set the
EbNo alarm, edit the Eb/No alarm point by first selecting the digit to be edited using the
◄ ►
arrow keys; then, edit the value of that digit by using the ST arrow keys. Press ENTER
when done. The range of values is from 2.0 to 16.0 dB.
CONFIG: Rx
Æ Misc Æ Rx α
Tx Roll-off: 20% 35%
(◄ ►,ENT)
To set the Receive Roll-off ( α) Factor, select 20% or 35% using the ◄ ► arrow keys, then
press
ENTER
. Note that the default is 35%.