Black Box AC400A Owner's Manual page 21

REAL COLOR AND MONOCHROME 16 LCD PROJECTION PANELS
Fig. 4-9. Holding Down Shift and Pushing a Command Button.
4.3.1 S -
YNC
Each time Sync- is pushed, it fine
tunes the Projection Panel to match
signals from the graphics system.
Sync- continuously cycles backward
through all 16 positions.
shift
Fig. 4-10. Sync-.
20
sync-
sync+
4.3.2 R
ESET
The master reset function, holding
down the Shift button and pressing
Reset, returns the display settings
(Position, Sync, Palette, Reverse, and
Level) for the video mode being
displayed to factory defaults.
The Reset function does not affect
Tracking, Text Mode, Text Slice,
Tint, Contrast, or EGA mode unless
the menu is showing on the screen.
If the menu is displayed, all display
settings and menu items, including
the color bars, are reset to factory-
default values.