Touch Screen Defroster; Display Backlight Control - Honeywell THOR VM1 User Manual

A replaceable touch screen protective film is available when the Thor VM1 is used in an abrasive environment. Contact
Technical Assistance (page 9-1) for availability.

Touch Screen Defroster

Extended temperature versions of the Thor VM1 contain a touch screen defroster. The touch screen defroster can be dis-
abled when not needed via the
always disabled when the device is operating from UPS battery power.
Screen Blanking
Screen blanking (blackout) can be enabled when the vehicle is in motion. See
setup and Screen Control
display is blanked out any time when the cable sends the signal that the vehicle is in motion. If the cable is removed, screen
blanking is disabled and the display remains on.

Display Backlight Control

The display brightness on a Thor VM1 equipped with an outdoor display can be configured to automatically adjust depend-
ing on the ambient light level via
Note: When automatic brightness control is enabled, the manual display brightness controls described below have no
effect.
Note: When automatic brightness control is enabled, the user can still manually adjust brightness. However, automatic
brightness control continues to adjust display brightness if the ambient lighting level changes.
The display brightness can be adjusted manually, via the keypad:
• Use the 2nd + F7 keypress to increase backlight brightness and the 2nd + F8 keypress to decrease backlight brightness.
Screen Control (page 5-21) panel. The defroster trip point is configurable. The defroster is
(page 5-21) for software setup to enable screen blanking. Once screen blanking is enabled, the
Screen Control (page 5-21).
Screen Blanking (page 4-48) for hardware
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