Comtech EF Data LBC-4000 - Manual (Page 70)

LBC-4000 L-Band Up/Down Converter System Revision 4
Front Panel Operation MN/LBC4000.IOM
5–14
5.2.4.4 UTIL: VFD (Vacuum Fluorescent Display Brightness Adjustment)
UTIL Display:
Brightness=100% (▲▼ENT)
To edit the display brightness: Use the [↑][↓] arrow keys to select a brightness value of 25%,
50%, 75%, or 100%.
Press [ENT] when the brightness is suitable.
5.2.4.5 UTIL: ScrSaver
UTIL ScreenSaver:
Theme=Classic Time=015m
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 LBC‐4000 ‘screen saver’can be set to activate after a user‐
selected timeframe.
Use the [←][→] arrow keys to select Theme or Time, and then press [ENT].
UTIL: ScrSaver Æ Theme
Five screen saver themes are selectable. Each theme establishes a unique behavior for the
screen saver when activated.
Use the [↑][↓] arrow keys to select a theme, and then press [ENT] when done. Pressing any key
de‐activates the screen saver and restores the previous screen.
Note the following:
Theme Name Screen Saver Activity Visual Description
Cycling A single line display comprised of
the user-defined “Application ID”
and “LBC-4000” ‘crawls’ along
from right to left across the top line
of the VFD, and then wraps around
to the bottom line, moving left to
right as it ‘crawls off’ the display.
Zip-ped This mode features a ‘marquee’
display:
“Comtech EF Data
LBC-4000”
This display ‘zips to center’ from
‘offstage right’ then ‘zips/exits
offstage right.’
cation ID------
BC-4000...
Comtech EF Data
LBC-4000