User`s guide

Chapter 2 Features 15
Ambient light sensor (ALS)
If you have dynamic brightness selected and are running on battery power, the ambient
light sensor measures the surrounding light and adjusts the display brightness and contrast
accordingly. This ensures that you have proper settings for all lighting conditions. To enable
dynamic brightness, see “Adjusting the display brightness” on page 34.
USB 2.0 ports
Two USB 2.0 (High-speed USB) ports can be used to attach any USB device such as a mouse,
digital camera, printer, or external storage device. The USB ports are compatible with older
USB devices (USB 1.1).
For more information, see “Using USB” on page 31.
Headphones port
The headphones port is on the left edge of the Tablet PC. It is marked with a small
headphones symbol and is designed as an audio output channel only. You can attach
headphones or external speakers to this port.
For more information, see “Connecting headphones, external speakers, or a microphone”
on page 37.
Microphone port
The microphone port is on the left edge of the Tablet PC. It is marked with a small
microphone symbol and is designed as an audio input/line in channel only. You can attach
an external microphone directly to this port to enhance your audio recording capabilities.
The internal microphones are disabled when an external microphone is attached.
For more information, see “Connecting headphones, external speakers, or a microphone”
on page 37.