When you connect the device to external AC power, the following events occur:
The battery begins to charge.
If the device is turned on, the battery meter icon in the notification area changes appearance.
When you disconnect external AC power, the following events occur:
The device switches to battery power.
The display brightness is automatically decreased to save battery life. To increase display
brightness, press the
Connecting the AC adapter
Plug the power cord into an AC outlet that is easily accessible at all times.
Disconnect power from the device by unplugging the power cord from the AC outlet (not by unplugging
the power cord from the device).
If provided with a 3-pin attachment plug on the power cord, plug the cord into a grounded (earthed) 3-
pin outlet. Do not disable the power cord grounding pin, for example, by attaching a 2-pin adapter. The
grounding pin is an important safety feature.
To connect the device to external AC power, follow these steps:
Plug the AC adapter into the power connector (1) on the device.
Plug the power cord into the AC adapter (2).
Plug the other end of the power cord into an AC outlet (3).
Using battery power
When a charged battery is in the device and the device is not plugged into external power, the device
runs on battery power. When the device is plugged into external AC power, the device runs on AC
If the device contains a charged battery and is running on external AC power supplied through the AC
adapter, the device switches to battery power if the AC adapter is disconnected from the device.
Chapter 2 Power management
hotkey or reconnect the AC adapter.
To reduce the risk of electric shock or damage to the equipment: