User's Manual

Chapter 6: Configuration
Display Backlight
Warrington Hand-Held Computer User Manual 85
•In the Display Properties dialog box, open the Backlight tab.
Intensity
This parameter is used to adjust the light intensity of the Warrington 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 drop-down menu determines the duration of time that the back-
light stays on at the configured intensity after the last user action (keypress, scan trigger).
Dim For
The value chosen from this drop-down menu determines the duration of time that the back-
light stays on at half the configured intensity (dimmed backlight) after expiration of the
Bright For delay and as long as no user action takes place (such as a keypress or scan trig-
ger). At the expiration of the Dim For duration, the display backlight shuts off.
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 Warrington is operating
with external power (not battery power). If the Warrington is drawing power from its bat-
Note: Backlight changes take effect immediately. You do not need to reset the unit.
To maximize battery run time, keep the display backlight brightness and active
durations as low as possible.
Preliminary Draft