Psion Teklogix Vehicle-Mount Computer 8590 - Manual (Page 77)

8580/8590 Vehicle-Mount Computer User Manual 51
Chapter 5: Operation Of The 8580/8590
Operation
5.1 Operation
The 8580/8590 is available with three different front panels:
• 25-key front panel
• 10-key front panel
• 4-key front panel
Note: All front panel buttons are described in “25-Key Front Panel” beginning
on page 53.
5.2 4-Key Front Panel
The 8580/8590 with a 4-key front panel has the following controls:
• POWER ON/OFF toggle button to switch the unit on and off
• Manual brightness control indicated with the ‘+’ and ‘-’ symbols
• Backlight on/off toggle button (‘light bulb’ icon)