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CDM-Qx Satellite Modem Revision 5
Front Panel Operation MN/CDMQx.IOM
5–50
(ConfigODULNB) LNB
If LNB is selected, the following sub-menu is displayed:
Select Voltage, Power-On/Off, 10MHz, Alarm, LO or Mix, using the ◄ ► arrow
keys, then press ENT.
Voltage
Selects 13 or 18 Volts as the LNB power supply output voltage.
10MHz
This menu permits the user to turn the 10MHz frequency reference
for the BUC ON or OFF.
Alarm
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.
LO
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
ConfigRxFreq menu.
Mix
This menu permits the user to define the sense of the frequency
translation – either high-side mix or low-side mix.
(ConfigODULNBVoltage) - LNB VOLTAGE
If Voltage is selected, the following sub-menu is displayed:
Edit the value of the LNB supply voltage, using the STarrow keys. The user should
then press ENT. The choices are 13 or 18 Volts.
LNB: DC-Voltage 10MHz Alarm
LO Mix (◄ ►, ENT)
LNB DC Supply Voltage:
Power Off (▲▼,
E
NT)