User manual

Chapter 5: Operation of the 8580/8590
Power Key
56 8580/8590 Vehicle-Mount Computer User Manual
5.4.1 Power Key
5.4.2 Manual Brightness Control (Optional)
5.4.3 LEDs
Turning the 8580/8590 on and off:
Psion has preconfigured this button by default:
8580/8590 with DC power
supply and automatic shut-
down software running.
By default, the power key is used to switch
the unit on and off. This behaviour may be
altered using the automatic shutdown param-
eters. Refer to “Automatic Switch Off” on
page 71 for details.
8580/8590 with DC power
supply without automatic
shutdown software disabled.
Power key is used to power up the unit.
Pressing this button while the unit is operat-
ing results in a HARD shutdown. This may
lead to data loss!
+ Button used to manually increase brightness (optional).
- Button used to manually decrease brightness (optional).
Turning the display backlight on and off.
Tem p (red) LED indicates excessively high or low temperature inside the unit.
HD (green) LED indicates access of the hard drive/Compact Flash drive.
Power (green) LED indicates an available internal power supply.