Symbol PDT 7200 Series, Reference Manual

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B-9
Demo Program
Display Parameters
This option allows you to customize the Display Contrast and the Backlight. Also displayed
on this screen is the API version number.
Figure B-11. Control Panel Display Parameters Screen
Display Contrast
To change the terminal’s display contrast, tap on Display Contrast, and the contrast value
increments. The terminal’s display changes as you change the value, to give you a sense of
how the contrast looks at each value. Alternately, change the contrast using your keypad by
using the up and down arrow keys to highlight the Display Contrast field, then use your left
and right arrows to increase or decrease the contrast.
Intensity
The PDT 7200 provides 16 levels of backlight intensity. To change the terminal’s backlight
intensity, tap on Intensity and the intensity increases.
Backlight
To turn the terminal’s backlight on or off, tap the Backlight field. The value toggles On and
Off as you tap the field. Alternately, use your up and down arrow keys to highlight the
Backlight option, then use your left and right arrows to turn the backlight on of off. As you
change the value, the terminal’s backlight turns on or off to demonstrate how the screen looks
with the backlight on or off.