Checking The Battery Level; Optimizing Battery Life - Acer Extensa 390 User Manual

Operating on Battery Power

2.1.4 Checking the Battery Level

The computer features battery-low warning signals
that are both audible and visible. When the
battery pack is low, the computer emits warning
beeps and the battery indicator flashes at regular
intervals. Also, you can check the battery charge
level using the onscreen battery gauge.
Using the Onscreen Battery Gauge
The onscreen battery gauge indicates the present
battery level.

2.1.5 Optimizing Battery Life

This section helps you get the most out of battery
operation. Optimizing battery life prolongs the
charge/recharge cycle and improves recharge
efficiency. Follow these suggestions to optimize
and maximize battery power:
q
q
2-6
To access the onscreen battery gauge,
press Fn-F4. The battery level icon
displays onscreen.
Purchase an extra battery pack.
Use the Sleep Manager utility to reserve hard
disk space for the hibernation function. See
section 5.1.