Figure 5.4. Function Tests - Touch Screen
5.4. Backlight
This tests whether or not the brightness of the backlight on the LCD panel can be adjusted. The backlight brightness is
adjusted with the slider. Check that moving the slider to the left darkens the backlight and moving it to the right brightens
the blacklight.
Figure 5.5. Function Tests - Backlight
5.5. Sound
to connect a speaker and microphone before carrying out the test.
Armadillo-440 LCD Model Development Set Startup Guide
Function Tests
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