Compaq Armada m700 - Notebook PC Technical Information Seite 49

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4-10 Managing Power
COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED
Writer: Karen Williams Saved by: Integrity Group Saved date: 06/01/00 10:23 AM
Part Number: 168893-001 File name: CH04.doc
Calibrating a Battery Pack
Calibration increases the accuracy of all battery charge displays.
Use the calibration utility both to check the calibration of a
battery pack and to calibrate a battery pack. A battery pack cannot
be calibrated unless the utility reports that it needs calibration.
Although the calibration utility supports all battery packs that can
be used in the computer, the utility can be run on only one battery
pack at a time. The calibration utility can run while you use the
computer or overnight.
IMPORTANT:
After calibration, a battery pack must be charged
before it can be used to run the computer.
Calibrating a new battery pack
—A new battery pack can be
charged, then used to run the computer before the battery pack is
calibrated. However, the amount of charge in the new battery
pack cannot be reported accurately until the new battery pack has
been calibrated. A new battery pack must be fully charged within
30 days of first use. Because the calibration process comprises a
full charge followed by a full discharge, calibrating a new battery
pack meets this full-charge requirement.
Calibrating an in-use battery pack
—The calibration of an in-
use battery pack should be checked periodically. Always check
the calibration of an in-use battery pack that has been unused for
more than 2 weeks or when battery charge displays seem
inaccurate. The more frequently you partially charge and
discharge a battery pack, the more frequently you should check
the calibration of the battery pack.
While a battery pack is being calibrated
It is fully charged, then fully discharged.
A battery calibration icon in the taskbar displays an up arrow
during the charge phase and a down arrow during the
discharge phase.
The calibration process cannot be stopped or paused, then
resumed. If a calibration is interrupted by a computer
shutdown, the initiation of Suspend, or the selection of the
stop calibration option within the calibration utility, the
calibration must be restarted.
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