Comtech EF Data CDM-Qx Installation And Operation Manual page 76

Multi-channel satellite modem with doubletalk carrier-in-carrier
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CDM-Qx Satellite Modem
Front Panel Operation
(Config%Rx%Misc%Rxα) – RX Roll-Off (α) factor
Rx Roll-off: 20%
Select 20% or 35%, using the ◄ ► arrow keys, then press
(Config%Rx%CnC) – CARRIER-IN-CARRIER
Carrier-in-Carrier (CnC):
Mode FrqOffs SrchDelay ReAcq
Select Mode, FrqOffs, SrchDelay, or ReAcq using the ! " arrow keys, then press
ENTER
described briefly in the following table:
Mode
FrqOffs
SrchDelay
ReAcq
(Config%Rx%CnC%Mode) – CnC MODE OF OPERATION
CnC Mode: Off On
Select Off, or On using the ! " arrow keys, then press
taken to a further submenu. If CnC On is selected, there will be some messages at the
front panel as shown below:
LOADING CnC SAT SEARCH...
CnC SEARCH IS PROCESSING...
If CnC is successful, the following message is displayed:
Delay=239ms
. The user will then be taken to a further submenu. Each of these choices is
(Mode of Operation) This submenu permits the user to select the mode of
operation for the CnC.
(Frequency Offset) This submenu permits the user to adjust the frequency
offset for the CnC.
(Search Delay) This submenu permits the user to configure the search delay
parameters for the CnC.
(ReAcquisition Time) This permits the user to set the re-acquisition time in
seconds when the desired carrier is lost.
...PLEASE WAIT!
...PLEASE WAIT!
CnC SEARCH SUCCESSFUL!
Offset=+001.0k
35%
(◄ ►, ENT)
(◄ ►, ENT)
5–28
MN/CDMQx.IOM
. The default is 35%.
ENTER
®
. The user will then be
ENTER
Revision 6

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