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CDM-Qx Satellite Modem
Front Panel Operation
Note that this value is used for displaying the RF frequency of the modem/BUC
combination. If a value of 00000 is entered here (the default) then no RF frequency will
be displayed on the Config%Tx%Freq menu.
(Config%ODU%BUC%Mix) – BUC MIX
Selecting Mix displays the following submenu:
BUC Frequency Mix:
High-Side Low-Side
Select High-Side or Low-Side using the ◄ ► arrow keys, then press
(Config%ODU%LNB) LNB
Selecting LNB displays the following submenu:
LNB: DC-Voltage
LO
Select Voltage, Power-On/Off, 10MHz, Alarm, LO or Mix using the ◄ ► arrow keys,
then press
Voltage
10MHz
Alarm
LO
Mix
(Config%ODU%LNB%Voltage) - LNB VOLTAGE
Selecting Voltage displays the following submenu:
LNB DC Supply Voltage:
Power
The choices are 13 or 18 Volts. Edit the value of the LNB supply voltage using the #$
arrow keys, then press
10MHz Alarm
Mix
.
ENTER
Selects 13 or 18 Volts as the LNB power supply output voltage.
This menu permits the user to turn the 10MHz frequency reference for the BUC
ON or OFF.
This menu permits the user to define the upper and lower limits for a current
'window'. If the measured LNB current falls outside this window, an alarm is
generated.
This menu permits the user to define the LO frequency used in the LNB. This is
then used in the display of RF frequency in the Config%Rx%Freq menu.
This menu permits the user to define the sense of the frequency translation –
either high-side mix or low-side mix.
Off
.
ENTER
(◄ ► ENT)
(◄ ►, ENT)
(▲▼, ENT)
5–42
Revision 6
MN/CDMQx.IOM
.
ENTER
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