Sharp ZAURUS ZR-5000 Specifications Page 56

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Save Battery Life
Sleep function
To conserve battery power, the Sleep function
turns your unit off if it is not used for a set time
period (the default setting is 15 minutes).
• Sleep is disabled when communicating with other
devices to avoid interrupting data transfers.
• If you are storing an entry and the Sleep function
turns off power before the entry is finished, data
will not be lost. When you press ON, operation
resumes from the state before power was turned
off.
• When the unit is connected to the AC adaptor or
battery pack, the Sleep function is disabled.
External power supply
Power can be supplied to your unit from the
optional EA-23E AC adaptor or the CE-BK1
battery pack. The AC adaptor can be used when-
ever a normal AC electricity outlet is nearby. The
battery pack can be used as an alternative power
source when no AC power supply is available. This
greatly increases your unit's portability by allowing
you to operate your unit for long periods of time
without depleting the operating batteries, e.g.,
while traveling on long journeys or working
outdoors.
To use the EA-23E AC adaptor or CE-BK1 battery
pack, first turn off the unit, then connect the plug to
the ADAPTOR socket at the right of the keyboard,
then turn your unit back on.
• When using the CE-BK1 battery pack, make sure
the mode switch is set to OPERATION.
• If the operating batteries are not installed, or are
depleted, the AC adapter or battery pack will not
supply power to the unit.
• Be sure to turn your unit off before disconnecting
the AC adaptor or battery pack.
• Check that the AC adaptor or battery pack is
connected when the unit is on, especially during
data transfer. Disconnecting the unit will abort the
data transfer.
Backlight Function
The ZR-5800 provides a built-in Backlight, which allows
you to view the display and use the unit even in low-light
conditions, eg. in a theater, restaurant, or business
presentation. Press 2nd and CAPS to illuminate the
display. You can set up the Backlight duration. See page
90.
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