Config, Odu) Lnb - Comtech EF Data CDM-570 Installation And Operation Manual

CDM-570/570L Satellite Modem with Optional IP Module
Front Panel Operation
6.13.2

(CONFIG, ODU) LNB

If LNB is selected, the following sub-menu is displayed:
LNB: DC-Voltage 10MHz
Alarm LO Mix (◄ ►, ENT)
Select DC-Voltage, 10MHz, Alarm, LO or Mix , using the ◄ ► arrow keys, then press
ENTER.
DC-Voltage
10MHz
Alarm
LO
Mix
(CONFIG, ODU, BUC) MIX
If Mix is selected, the following sub-menu is displayed:
BUC Frequency Mix:
High-Side Low-Side (◄ ►)
Select High-Side or Low-Side, using the ◄ ► arrow keys, then press ENTER.
Selects Power OFF, 13, 18, or 24 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, RX FREQUENCY menu.
This menu permits the user to define the sense of the
frequency translation – either high-side mix or low-side mix.
(CONFIG, ODU, LNB) VOLTAGE
If Voltage is selected, the following sub-menu is displayed:
LNB DC Supply Voltage:
13 volts
Edit the value of the LNB supply voltage, using the ▲ ▼ arrow keys. The user
should then press ENTER. The choices are 13, 18, 24 volts, or Power OFF.
(▲ ▼,ENTER)
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Revision 3
MN/CDM570L.IOM