Battery Care: Tablet Batteries
American Science and Engineering, Inc.
MINI
Z
Operator Manual 342-9000-1 Rev. B ECCN EAR99
12-13
5. Connect the power cord to an appropriate power source (see
Table A-2
). The tablet begins to
charge, indicated by the yellow LED on the touchscreen. When charging is complete, the LED
displays green.
6. During charging, the tablet can be used to check the level of charge (see
Section 12.4.6, Checking
the Tablet Main Battery Pack Level
).
7. When charging is complete, disconnect the AC adapter from the mains power supply, then
disconnect the AC adapter cable from the DC IN charge port.
12.4.8
Recharge Rate
The main battery pack can become hot during recharging. The rate of recharge can be set lower if
desired, to reduce the temperature. Rate adjustment is accessed by a supervisor login account. To per-
form a battery recharge rate adjustment:
1. Enter the Windows operating system (
Section 3.7.1
).
2. To open the
Panasonic PC Settings Utility
(
Figure 12-5
) (shortcut: press the “A” button
on
the side of the tablet):
a.
At the bottom of the Windows Desktop screen, a tool bar appears.
b. Tap the Windows Start button
. A menu appears.
c.
Flick up until the
Panasonic
folder appears. Tap the button to open the folder.
d. Tap the
Panasonic PC Settings Utility
button (this opens the operating system version of the
Dashboard,
Figure 12-5
).
3. Tap
Support
>
. The
Battery Charge Speed
screen opens.
The AC adapter has an internal circuit protection feature. If the battery
indicator light (circled, at right) on the touchscreen does not illuminate
when the AC adapter is connected properly, the problem may be the
protection circuit. To reset, unplug the cable from the tablet DC IN port,
wait one minute, and then plug in again.
The battery does not charge when the internal battery temperature is not within the
specification range (see
Table A-2
).
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