Select: Utility; Utilities: Set-Rtc; Utilities: Display-Brightness; Utilities: 1:1 - Comtech EF Data CDM-740 Installation And Operation Manual

Advanced satellite modem
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CDM-740 Advanced Satellite Modem
Front Panel Operation
5.8

SELECT: Utility

Utilities: Set-RTC

1:1
Select Set-RTC, Display-Brightness, 1:1, 1:N, Circuit-ID, or Firmware using the ◄ ► arrow
keys, then press ENTER
5.8.1
Utilities: Set-RTC
Time: 12:01:02
Date: 26/10/06
To edit the time and date settings of the RTC (Real-Time Clock), select the digit to be edited using
the ◄ ► arrow keys, then edit the value of that digit using the
when done.
Note that in accordance with international convention, the date is shown in
DAY-MONTH-YEAR format.
IMPORTANT
5.8.2

Utilities: Display-Brightness

Display Brightness:
To edit the brightness of the VFD (Vacuum Fluorescent Display), use the the ◄ ► arrow keys to
select a suitable brightness level. The selectable values are 1 (100%), .75 (75%), .50 (50%), or .25
(25%). Press ENTER when done.
5.8.3

Utilities: 1:1

The CDM-740 automatically detects the presence of a CRS-175L L-Band 1:1 Redundant Switch.
If Utility: 1:1 is selected and this unit is currently online and part of a 1:1 redundant modem pair
operating in tandem with a CRS-175L switch, the user is prompted to press ENTER (as indicated
above); this command then automatically forces the switchover of operation to the standby unit.
If, however, 1:1 is selected from the Utility menu branch and no CRS-175L switch is detected,
the following error message displays:
For detailed information about 1:1 redundant operation, refer to Appendix C. 1:1 REDUNDANCY
in this manual.
1:N
Circuit-ID
.
hh:mm:ss
dd/mm/yy
Press ENTER key to force unit into
Standby (1:1 only)
... Error ...
No Valid Redundancy
Display-Brightness
Firmware
▲ ▼
1
.75
.50
5–24
Revision 0
MN-CDM740
◄►
(
E)
◄►
(
E)
arrow keys. Press ENTER
.25
◄►
 )
(

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