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4.2 Device Self-test
This function is designed to test whether screen, key and beeper works properly or not.
In main menu, choose [Device Self-test], and then click [
1 LCD test
This option allows you to test the display effect of the screen.
Choose [LCD test] and touch [
See Fig. 4-4. Touch [
Fig. 4-3
] to confirm, the screen will be displayed in pure color.
] to switch to different colors.
Fig. 4-4
11
CreaderVII English User’' s Manual
] to enter Fig. 4-3.
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