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Troubleshooting - Sharp Mobilon HC-4000 Operation Manual

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TROUBLESHOOTING

Use the following list for troubleshooting when the unit is not functioning properly.
If the problem persists, contact your local SHARP dealer.
Problem
The display remains blank after
you press the ON key.
The display is completely black.
(HC-4000/HC-4100)
The display appears dim or too
bright. (HC-4500)
The display does not respond to
tapping with the stylus.
The stylus does not work properly
The unit stop responding.
The unit turns off even after you
press the ON key.
You forgot the password
You cannot remove the main
battery holder
You cannot open the backup
battery cover.
The main battery is low message
appears.
Problem
Solution
The display may be too light. Adjust the
contrast (see page 19) or the backlight
(see page 20).
The main batteries may be depleted.
Replace the main batteries (HC-
4000/HC-4100) or recharge the battery
pack (HC-4500) (see page 21 and 26).
The display may be too dark. Adjust the
contrast (see page 19).
Color displays may appears dim when
viewed outdoors on a bright sunny day.
Use it at a shady place where sunlight
does not fall directly onto the display.
Adjust the backlight (see page 20).
Reset the unit (see page 29).
The display may be damaged. Contact
your dealer for servicing.
Recalibrate the stylus. Please refer to the
Microsoft H/PC Companion.
Reset the unit (see page 29).
The main batteries may be depleted.
Replace the main batteries (HC-
4000/HC-4100) or recharge the battery
pack (HC-4500) (see page 21 and 26).
Reset the unit completely
(see page 29).
Make sure the battery replacement
switch is set to REPLACE MAIN
BATTERIES (see page 22).
Make sure the battery replacement
switch is set to REPLACE BACKUP
BATTERY (see page 24).
Replace the main batteries (HC-
4000/HC-4100) or recharge the battery
pack (HC-4500) (see page 21 and 26).
Solution
57

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This manual is also suitable for:

Hc-4100Hc-4500