Chapter 11. Appendix 131
Basic Problems
If you press the power button too long, the LCD backlight may
be turned off. In such a case, press-and-hold the power button
again to turn the backlight back on.
The screen may be dark because the LCD backlight level is set
too low. Tap Start > Programs > Utility > Backlight and adjust
the backlight level.
Dark display screen
The backlight may be turned off in the Automatic Backlight Off
Mode. To keep the backlight always on, tap Start > Settings >
Control Panel > Display. And tap Backlight tab and uncheck
Turn off backlight.
The display screen may not be calibrated properly. Tap Start >
Settings > Control Panel > Stylus. And tap Calibration tab and
recalibrate the screen.
Stylus pen input error
If the screen does not respond to a double-tap, tap Start >
Settings > Control Panel > Stylus. And tap Double-Tap tab and
adjust the Double-Tap Grid.
The program may become slow due to too many programs
running at the same time. Reduce the number of running
programs.
Slow program speed
The program speed may be slow due to insufficient program
memory of DOT 320. Tap Start > Settings > Control Panel >
System. And tap Memory tab and expand the program memory
area with the slide bar. If the storage memory area occupies too
much space, back up the programs in the storage area to the
PC or the CF memory card to empty the storage area, and
expand the program memory area.
DOT 320 may be turned off automatically if the battery is
discharged fully. In such an instance, recharge the battery for
about thirty minutes and then turn on the power. Continue to
recharge the battery.
If the battery is not charged, check the connection between the
battery charger and DOT 320.
Power failure of DOT
320 even when
connected with the
battery charger
Using DOT 320 forcibly when the battery is discharged may
cause DOT 320 to break down. Be sure to recharge the battery
before trying to use DOT 320.