Chapter Seven - 65
Optional Devices
External USB Keyboard
An optional 89-key external USB keyboard with LED backlight and IP rating of IP54 is
available for your tablet computer. The detailed specification is provided below:
89-key layout emulates 101/102-key KB
Life: >1 million times, water/dust protection up to IP54
Back-light illumination (backlight device: green LED)
PS/2 compatible Trackpoint and mouse buttons
Dimensions:
12.7” x 6.8” x 1” [323.4 mm (W) x 172 mm (D) x 25 mm (H)]
Weight: 2.4 lbs (1.1 kg)
Track point
The track point is functionally equivalent to a mouse. Pushing the track point may move the
cursor on the screen. The 2 buttons act same as mouse buttons.
Backlight
Press
[I-O]
key for approximately 1 second turns keyboard backlight ON or OFF.