Acer Iconia One 7 B1-730 HD Service Manual page 32

Backlight test, show backlight Level20-Level120-Level220 successively, and then according to the actual result that you saw to
choose PASS or FAIL, as shown in figure 3.1(a).
Figure 3.1(b)
KEY:
■ Key includes: " VolumeUp" a " Volume Down", Power key didNOTbe tested.
• Two key passed t i in figure 3.2(a).