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26
Power Button
Retrain Battery
Touch Screen
After you select the appropriate power management settings, tap OK
to apply the settings for this session only, SET DEFAULT to retain the
settings upon startup, or CANCEL to exit without changes.
The Power Button setting lets you set the default option for the Power
Switch dialog. The Power Switch dialog appears when you press the
Power key. This option does not let the Field Communicator
automatically shut down or enter stand by when you press the Power
key. You still need to tap OK.
From the Power Button screen, select the Stand by or Shut down
option and then tap OK to apply the settings for this session only, SET
DEFAULT to retain the settings upon startup, or CANCEL to exit
without changes.
The Retrain Battery setting lets you fully discharge the battery so it can
be charged to its full capacity. Perform this operation if you notice a
significant decrease in charge life or performance.
CAUTION
It should not be necessary to perform this operation on a regular basis.
Doing so may damage the Li-Ion battery.
Ensure the power supply/charger is not connected when this operation
is performed. During the operation, the backlight is set to its brightest
setting to quickly discharge the battery. The backlight, standby, and
auto-off timers are disabled. If you tap CANCEL, the battery stops
discharging and the backlight, standby, and auto-off timers are
re-enabled. The backlight setting is also restored.
After the battery is fully discharged, make sure it is fully recharged
before using it without the power supply/charger. You can use the 475
Field Communicator while the battery is recharging.
To retrain the battery:
1.Disconnect the power supply/charger, if it is connected to the 475
Field Communicator.
2.Tap Retrain Battery from the Settings menu.
3.Wait until the 475 Field Communicator shuts down. It may take up to
several hours to discharge the battery, depending on the charge
remaining when the operation began.
Connect the power supply/charger to the 475 Field Communicator and
fully charge the battery.
The Touch Screen setting lets you calibrate the touch screen with the
display. Tap the center of the cross hairs firmly and accurately at each
location on the window. The target continues to move until the touch
screen is aligned. Touch screen alignment is retained upon start up.
Learning the basics
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