Intensity

This parameter is used to adjust the light intensity of the backlight. Sliding the bar to the left lowers the light intensity, and sliding it to the right raises the intensity.

Bright For

The value chosen from this dropdown menu determines the duration of time that the backlight stays on at the configured intensity when a unit is not in use.

Dim For

The value chosen from this dropdown menu determines the duration of time that the backlight stays on at half the configured intensity (dimmed backlight) when a unit is not in use.

External Power Checkbox

When you select the checkbox next to ‘When using external power keep the backlight always ON.’, the backlight remains ON at the configured intensity when the 8525/8530 is operating with external power (not internal battery power). If the 8525/8530 is drawing power from a battery, this option is ignored and the other parameters defined in Display Properties dialog box take affect.

2.4.2 Calibrating The Touchscreen

The Stylus Properties dialog box in the Control Panel allows you to recalibrate the screen.

In the Control Panel, choose the Stylus icon to display the Stylus Properties window.

Psion Teklogix 8525 G2/8530 G2 Vehicle-Mount Computer Quick Start Guide 29

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Psion Teklogix 8530 G2, 8580 G2 quick start Calibrating The Touchscreen, Bright For, Dim For, External Power Checkbox