Backlights and Indicators

Display Backlight

There are several configuration options for the Thor VM1 display backlight:

Power Management

The display backlight is controlled by power management. When the user activity timer expires, the display backlight is turned off. Timeouts can be set for the available power management schemes.

See Power (page 5-84)for configuration options.

Backlight Brightness

The intensity of the display backlight can be manually configured:

•Use the 2nd + F7 keppress to increase backlight brightness or the 2nd + F8 keypress to decrease backlight brightness.

Refer to the Screen Control (page 5-88)panel for the current display brightness level.

Screen Blanking

The Thor VM1 can be configured to blank (blackout) the display while the vehicle is in motion.

Refer to the Screen Control (page 5-88)panel for information.

Keypad Backlight

By default, the integrated keypad backlight follows the display backlight. The integrated keypad backlight can be disabled. To change this behavior, see the Misc tab of the Options (see page 5-78)control panel.

Speaker Volume

The speaker volume can be adjusted via the Thor VM1 keypad:

• Use the 2nd + F9 keppress to increase speaker volume or the 2nd + F10 keypress to decrease speaker volume.

The current volume level can be viewed on the Mixer (page 5-74)control panel. This control panel can also be used to adjust speaker volume.

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