Comtech EF Data CDM-740 - Manual (Page 76)

CDM-740 Advanced Satellite Modem Revision 0
Front Panel Operation MN-CDM740
5–24
5.8 SELECT: Utility
Utilities: Set-RTC Display-Brightness
1:1 1:N Circuit-ID Firmware (
◄► E)
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 hh:mm:ss
Date: 26/10/06 dd/mm/yy
( ◄► E)
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
▲ ▼ arrow keys. Press ENTER
when done.
IMPORTANT
Note that in accordance with international convention, the date is shown in
DAY-MONTH-YEAR format.
5.8.2 Utilities: Display-Brightness
Display Brightness: 1 .75 .50 .25
( ◄► )
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
Press ENTER key to force unit into
Standby (1:1 only)
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:
... Error ...
No Valid Redundancy
For detailed information about 1:1 redundant operation, refer to Appendix C. 1:1 REDUNDANCY
in this manual.