Acer Iconia One 8 Service Manual page 39

Hardware testing items Using Guide
Backlight:
Backlight test, show backlight Level30-Level130-Level230 successively, and then according to the actual result that you saw to
choose "High Back Light" or "Low Back Light" , as shown below:
This example may get PASS when you choose "Low Back Light"
KEY:
• Follow the picture's instruction to press related key successively. If the key function is passed then the
related key button will show green color
• Key includes：" VolumeUp" & " Volume Down", Power key did NOT be tested.