General Dynamics Itronix GD8200 User Manual page 35

GD8200 User Guide
About Battery Calibration
Battery calibration may take up to 12 hours to complete. After
starting calibration, the application requires no further input
from the user. During calibration it goes through three steps:
1.
Charge: The battery is fully charged to 100%.
2.
Discharge and Calibrate: The battery is discharged to zero,
then calibrated but not charged. You may stop the process
after this point and let the battery charge outside of the battery
calibration application.
3.
Charge: If battery calibration continues running, the battery will
fully charge to 100%.
BIOS Level Battery Calibration
You can also calibrate the battery from within the BIOS Setup
Utility by following these steps:
1.
Plug in the AC adapter.
2.
Restart the computer. When the startup screen appears, just
prior to the Windows ® logo screen, press the
the BIOS Setup Utility .
3.
At the " Choose the setup function
keys to select Battery Calibration
NOTE
Make sure the AC adapter and battery are present.
4.
Choose Primary or Secondary battery and press
Monitoring Battery Power
Low Battery Alarms
CAUTION
When battery power is low, the alarm beeps or
displays a warning on your screen. Take immediate action,
such as saving files or connecting to the AC adapter or data
may be lost.
General Dynamics Itronix 72-0146-001
DEL key to enter
" screen, use your arrow
and press ENTER .
ENTER
.
Select Battery Calibration
Operating with Battery Power
When the computer alerts you that the battery is low,
immediately do one of the following:
Connect the AC power adapter.
„
Save your work and then select
„
Turn off the computer and replace the discharged battery with a
„
charged battery (see Battery Charging
NOTE
Do not restart the computer until you have connected
to an AC adapter or replaced the discharged battery with a
charged battery.
Refer to Battery Tips for more information about how you
can conserve battery power. Refer to
information about how you can setup your computer to
effectively manage power for your unique use patterns.
Managing Power
Your computer has power management capability so you can
reduce the amount of energy used, especially during periods
of inactivity. Effective use of power management options
can greatly conserve and extend your battery life. The power
management unit monitors system activity, such as hard drive,
keyboard, mouse, or any devices attached to a port. If it does
not detect activity for a period of time, the computer stops
some or all of these devices to conserve energy.
Your computer employs a power management scheme that
supports ACPI (Advanced Configuration and Power Interface),
allowing for maximum power conservation and maximum
performance at the same time. Windows
saving chores for your computer.
For more information search for Power Options in Microsoft
Help and Support.
Low-Power States
Your computer can enter three different low-power states to
conserve power: Standby/Sleep, Hibernate and Power Off.
These states can be entered manually or after a period of
inactivity. From the Power Saver or DynaPower utilities, you
can configure the POWER BUTTON,
and to initiate any of the low-power states.
LID SWITCH
Standby/Sleep
Most system devices are powered off, but the contents of
system memory are retained. Standby/Sleep is sometimes
referred to as Suspend to RAM. When the computer returns
from Standby mode, the desktop appears with the same files
and programs open as when the computer was suspended.
Resume time is very quick.
Windows 7: Select Start and click on the arrow next to the
®
Shut down menu. Then select Sleep to enter Standby/Sleep
mode.
Start, Shut Down .
).
for
Managing Power
handles all power-
®
SLEEP BUTTON (FN+F3)
®