2.4 inch color screen series User Manual
- 70 -
Press OK to continue and press ESC to exit.
7.3 Keyboard test
The device can automatically test various keyboards to see whether the
keys work normally or not.
Press any keyboard on the test interface (
except for OK and ESC
) to
check whether the pressed keyboard is in accordance with that displayed
on the screen.
Will appear whether it is the right key, and
will appear whether
it is not the right key.
Press ESC to exit.
7.4 Sensor test
The device will automatically test the sensor to see whether it works
normally. Press fingerprint to see whether the image is clear and usable.
Press fingerprint on the sensor window and the fingerprint image will
appear on the screen.
Press ESC to exit.
7.5 Real-time clock
The device can automatically test the clock to see whether it works
normally.
Press OK to start time and then press OK to stop time.
Press ESC to exit.
