Lcd; Adjusting The Backlight - CipherLab 8300 Reference Manual

8300 Series Mobile Computer

1.4 LCD

The mobile computer comes with a 3" FSTN graphic LCD, 128 by 64 pixels resolutions,
which can be programmed to display text or graphics, such as specific font and company
logo, to meet varying application needs.
Options
English font
Chinese font
Other language fonts,
company logo...
Note: Normally, the bottom line (ICON_ZONE) is reserved to display status icons, such
as the battery icon.

1.4.1 ADJUSTING THE BACKLIGHT

The backlight of screen and keypad helps ease reading under dim environments. It can
be turned on and adjusted decreasingly or increasingly by the following key combinations.
Keep pressing the key combination until the contrast is decreased or increased to a
desired level.
Warning: Using backlight while on battery power will substantially reduce battery
power. It is suggested to dim the backlight while working in a well-lit area
or automatically turn it off when not in use.
Key Combination Action
[FN] + [Enter] Toggle ON/OFF the backlight
[FN] + [Up] Turn ON the backlight of LCD and increase its contrast
[FN] + [Down] Turn ON the backlight of LCD and decrease its contrast
Note: Hold down the [FN] key and press the second key for adjustment.
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Reference Manual
Font Size (pixels)
Font size 6×8 (pixels)
Font size 8×16 (pixels)
Font size 16×16 (pixels)
Programmable
Characters by lines
20 characters by 8 lines
15 characters by 4 lines
7 characters by 4 lines