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CDM-740 Advanced Satellite Modem
Front Panel Operation
5.9.1.1
ODU: (BUC:) Power
BUC Power Enable:
Output Power Enable: Off
Select the power parameter to edit using the ◄ ► arrow keys, then use the
the setting as Off or On. Press ENTER when done.
5.9.1.2
ODU: (BUC:) 10M-Ref
BUC 10 MHz Reference:
Select the 10MHz Reference as Off or On using the ◄ ► arrow keys, then press ENTER.
Note: A BUC will not transmit without a 10MHz Reference.
5.9.1.3
ODU: (BUC) Alarm
Alarm Limit Low:
Alarm Limit High:
To set the Low and High Alarm Limits between 0 and 4000 mA, in 100mA increments, use the
◄ ► arrow keys to select the digit to be edited, then use the
that digit. Press ENTER when done. The default values (mA) are (low)
5.9.1.4
ODU: (BUC) Monitor
BUC Power Monitor:
This read-only display provides the BUC power supply current and voltage information. Press
ENTER or CLEAR to return to the previous menu.
5.9.1.5
ODU: (LNB) LNB_LO
LNB_LO: 00000.000 MHz
Terminal Mix: [+]
On the top line, the user may enter the LNB LO frequency for the down conversion. Entering a non-
zero value for LNB LO will cause the Rx-IF frequency menu to show LO and Satellite frequencies.
Edit the LNB LO frequency by using the ◄ ► arrow keys to select the digit to be edited, then use
the
arrow keys to set the value of that digit. The valid LO range is 3000 to 65000 MHz.
▲ ▼
On the bottom line, the Terminal Mix sets the polarity for the downconversion mix in the LNB:
•
0000 mA, 00.1 V
[+] indicates a high side, inverting mix;
Off
Off
On
0000 mA
4000 mA
▲ ▼
RTF:
+1950.0000
5–28
Revision 0
MN-CDM740
vE)
◄►
(
arrow keys to edit
▲ ▼
◄►
(
E)
arrow keys to set the value of
####
and (high) ####.
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