User manual

Chapter 5: Operation of the 8580/8590
10-Key Front Panel (Discontinued)
54 8580/8590 Vehicle-Mount Computer User Manual
5.3 10-Key Front Panel (Discontinued)
The 8580/8590 with a 10-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)
• Arrow keys
• [ESC] and [ENTER]