CRS-300 1:10 Redundancy Switch
MN/CRS300.IOM
Front Panel Operation
Revision 19
6–5
6.1.3 Front Panel Vacuum Fluorescent Display (VFD)
The Front Panel Vacuum Fluorescent Display (VFD) is
an active display showing two lines of 24 characters
each. It produces an adjustable blue light. Compared
to a Liquid Crystal Display (LCD), it has greatly
superior viewing characteristics and does not suffer problems of viewing angle or contrast.
On most menu displays, a flashing solid block cursor blinks at a once-per-second rate. This
indicates the currently selected item, digit, or field:
CONFIG: MANUAL
AUTO
[ON]
OPTIONS REMOTE ACTIVE
Where this solid block cursor would obscure the item being edited (for example, a numeric field)
the cursor automatically changes to an underline cursor:
ACTIVE MODEMS: (ENTER)
1 2 3 – 5 6 – 8 – 10
If you were to display the same screen for weeks at a time, the display could become ‘burnt’
with this image. To prevent this, the unit has a ‘screen saver’ feature that activates after 1 hour.
The top line of the display shows a customizable Switch ID. The bottom line shows the current
status of the Switch, followed by
‘Press any key...’
:
------------------------
Press any key...
The message moves from right to left across the display, and then wraps around. Pressing any
key restores the previous display.
6.1.3.1 Opening Screen
COMTECH CRS-300 SWITCH
for CDM-XXX modem vX.XX
A ‘welcome screen’ similar to what is pictured here displays whenever power is first applied to
the unit. It identifies the modem and its current running firmware version. Press any key to
access the top-level SELECT: menu.
Содержание CRS-300
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Страница 298: ...2114 WEST 7TH STREET TEMPE ARIZONA 85281 USA 480 333 2200 PHONE 480 333 2161 FAX ...