User's Manual

68 Linux Visible Light Product User Manual
12. Autotest
To automatically test whether all modules in the device function properly, which include the LCD, voice, fingerprint
sensor★, camera and real-time clock (RTC).
Click Autotest on the main menu interface.
Item Description
Test All
To automatically test whether the LCD, audio, camera and RTC are normal.
Test LCD
To automatically test the display effect of LCD screen by displaying full-color, pure white,
and pure black to check whether the screen displays colors normally.
Test Voice
To automatically test whether the audio files stored in the device are complete and the
voice quality is good.
Test Fingerprint
Sensor
★
To test the fingerprint sensor by pressing a finger on the scanner to check if the acquired
fingerprint image is clear. When you are pressing a finger on the scanner, the fingerprint
image will display on the screen.
Camera testing
To test if the camera functions properly by checking the pictures taken to see if they are
clear enough.
Test Clock RTC
To test the RTC. The device tests whether the clock works normally and accurately with a
stopwatch. Touch the screen to start counting and press it again to stop counting.