5-7
Chapter 5. System Management
■
Use Battery Calibration
When the battery is in continuous use without being completely charged or dis-
charged, there may be a difference between the displayed battery charge and
the actual battery charge, owing to the inherent characteristics of the battery.
Completely discharging the battery and fully charging it can correct this problem.
Completely discharging the battery for this reason is called battery calibration.
The procedure to calibrate the battery is described below.
1. Turn off the computer and disconnect the AC power.
2. Turn on the computer and press <F2> to enter into System Setup.
3. Select Smart Battery Calibration in the Boot Menu, and press <Enter> to
start. The calibration process usually takes 3 to 5 hours depending on the
remaining battery charge.
4. When the calibration process is complete and the battery is completely
discharged, connect the AC power adaptor to fully recharge the battery.
Controlling the LCD Brightness
If you restart the system after changing the LCD Brightness in Custom Mode,
the LCD brightness is changed to its default value. To keep the brightness
value configured in Custom Mode, configure the [Brightness Control Mode]
item to 'User Control' in the [Boot] menu of the System Setup. (See P. 6-2.)
If it is configured to [Auto], the LCD brightness is changed to level 8 when the
power is supplied by the AC adapter, or to level 1 when the power is sup-
plied by the battery according to the default brightness values.
Power Saving Effect
This shows the battery usage time after changing the system configuration in
10 levels for Maximum Battery Saving Mode and in 5 levels for Maximum
Performance Mode.
When Running a Game or Multimedia Application
A game or multimedia application may not work smoothly in Maximum
Battery Saving Mode. It is recommended selecting at least Normal Mode in
this case.
N
N
o
o
t
t
e
e
Select
system
boot
options
Boot
Device
Priority
NumLock
[Off]
Enable
Keypad
[By
NumLock]
Summary
screen
[Disabled]
Boor-time
Diagnostic
Screen
[Disabled]
PXE
OPROM
[Only
with
F12]
Brightness
Control
Mode
[Auto]
Easy
Hangul
[Disabled]
Smart
Battery
Calibration
▶
Summary of Contents for NP-P40
Page 171: ...1 16 Manual...
Page 227: ...4 30 Manual...
Page 239: ...5 12 Manual...
Page 253: ...6 14 Manual...