Samsung NP-R40 User Manual page 127

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To view through the Control Panel
Select Start > Control Panel > Performance and Maintenance > Power Option >
Power Measure tab.Then you can view the current power source and the current re-
maining battery charge.
Using the battery
Battery is an expendable supply, so when you use it for a long time, the capac-
ity/battery life is shortened. If the battery life is reduced to under half of the ini-
tial time, we recommend that you purchase a new battery to use.
Battery Warning
You will hear an alarm when the remaining battery charge is under 10%. Con-
nect the power cable or turn off the computer and install a fully charged bat-
tery.
When the remaining battery charge is under 3%, the computer automatically
saves current work and turns off. This may be different according to the set-
tings in Control Panel > Performance and Maintenance > Power Options
> Alarms tab.
108 Users Manual
Power Supply Status
Remaining Battery Charge

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