Users Manual Chapter 1

18 Thor VM3A Vehicle-Mounted Computer
Orange Key LED
System LEDs
SYS (System Status) LED
UPS Status LED
The behavior of the UPS LED depends if external power is connected or not.
External Power Present
LED Behavior Status
Solid Red
• Indicates the Orange Key modifier key is active. Orange Key
modes in invoked for the next keypress only.
• Pressing the Orange key a second time exits this modifier mode
and turns off the LED.
• Pressing the Orange key followed by the Shift key places the
system in Caps Lock mode.
• To exit Caps Lock mode, press the Shift key again.
Off Neither Orange Key or Caps Lock mode is invoked.
SYS (System Status) LED
UPS (Uninterruptible Power Supply) LED
LED Behavior System State
Solid White
•On
• On, but in Sleep Mode
Blinking White
• CPU temperature is less than 0°C. The unit must be moved to an
environment warmer than 0°C before it will boot up.
Off
•Off
LED Behavior Status
Solid Green UPS is more than 50% charged
Solid Amber UPS is less than 50% charged
Blinking Red Battery error