Tip 3. Calibrate Your Battery - General Dynamics Itronix GoBook MR-1 Manual

GoBook MR-1
provides a charged battery for the next day
Avoid allowing the Li-Polymer or Li-Ion battery pack to completely discharge
Use the Power Saver
When running on battery power, make sure your system suspends automatically after a few minutes of
inactivity. Radios, custom applications, or modified system settings may affect this
Uunplug peripherals when you are not using them. They may draw power from the system even when not in
use
Avoid operating audio and video applications when using battery power. Operating video, or audio equipment
increases the computer's power requirements
Don't use screen savers as they draw excessive current, especially "3D" screen savers
Avoid or minimize using applications that keep the CPU busy a large percentage of the time. The following
will help you determine if your system is running such applications:
Identifying power wasting programs
To determine if applications or processes are keeping the CPU busy
1. Start the Task Manager utility. To open Windows Task Manager, right-click an empty space on the taskbar,
and then click Task Manager.
2. Select the Performance tab to view running applications, and the Process tab to view running processes.
3. Watch the CPU Usage. It is okay if the processor usage is occasionally 100 percent, but if it is 100 percent
most of the time, this may indicate a problem.
What to do if applications are keeping the CPU busy
If possible, close applications that keep the CPU busy when you are not using them
Turn off or suspend your computer whenever you are not using it. This will help to conserve power
Inform your organization's help desk. They may have an updated version of the application.

Tip 3. Calibrate your battery

Over time, the accuracy of the Windows battery gas gauge may be affected by repeated charging and
discharging of the battery. Calibrating the battery every 3 or 4 months helps to keep the gas gauge accurate.
For information on calibrating the battery, refer to
Tip 4. Get a good charge
Your computer will charge more quickly if it is turned off or suspended
In warmer or cooler temperatures, your battery can take much longer to fully charge
If your battery is charged in a cold (less than 41°F/5°C) or very warm (greater than 122°F/50°C) environment,
it is possible that the Battery Charge LED will indicate that the charge has stopped; however, this does not
file://C:\Documents and Settings\harwoodm\Local Settings\Temp\~hh96AE.htm
utility to help save power
Battery Calibration.
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6/18/2008