User manual

Psion Teklogix 7535/7530 Hand-Held Computer User Manual 95
Chapter 5: Configuration
Display Contrast
5.5.1.1 Display Contrast
The Contrast tab allows you to adjust the 7535/7530 display contrast to suit the
environment in which you are using the hand-held. The contrast control can also be
used to reduce display flickering that can occur with colour displays in certain
lighting conditions
•In the Display Properties dialog box, open the Contrast tab.
Figure 5.3 Display Contrast Properties
• Slide the bar in the Contrast tab to the left to decrease or darken the
display contrast.
• Slide the bar to the right to increase or lighten the display contrast.
5.5.1.2 Display Backlight
The backlight is activated for a configurable amount of time if the ambient light is
below a specified threshold and if the 7535/7530 is in use (key press, scanner trigger
or data received from the host). The Display Properties dialog box in the Control
Panel allows you to specify the intensity of the backlight along with how the
backlight behaves in low-light conditions and when the unit is not in use.
Note: Keep in mind that this option may be restricted to supervisory use only.