Sharp Mobilon HC-4000 Operation Manual page 22

4. Remove the stylus from the unit.
When the H/PC Setup Wizard Introduction appears, follow the instructions and
adjust the screen calibration, time zone setting, time and date, and your name and
address.
About the backlight illumination (For HC-4000/HC-4100 users)
If necessary, press the Backlight key to turn on the backlight for better viewing.
The backlight feature turns off automatically after a certain amount of time of
inactivity (which by default is 1 minute for battery power or 2 minutes for external
power source). This interval may be adjusted using the Display applet in the
Control Panel.
Note:
The unit automatically goes into a sleep mode if you do not operate the unit for a
set time period (the default setting is 3 minutes). To activate the unit again, press
the ON key.
About the backlight control key (For HC-4500 users)
When your turn on the unit, the backlight is usually on. You can change the
brightness of the backlight. While holding down the Alt key, press the ] key to
increase the brightness, or the [ key to decrease it. Pressing the Backlight
Control key turns the backlight to dim; pressing the key again returns the
backlight to normal. If the batteries are low or very low, however, then the
backlight is always dim and pressing the Backlight Control key cannot change it.
When you enter data using the keyboard or from the touch panel, the backlight
always return to normal. In the Backlight Properties window (accessible from
Backlight applet in Control Panel), you can set the backlight to automatically dim
on battery power or external power.
The Backlight Control key does not work when the power is turn off (suspend
mode).
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