eSSL F18 - Auto Test; TFT Display Test; Audio Test

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7. Auto Test
The device can test various modules automatically to help operator to
judge the module with fault quickly. Auto test include TFT display Test,
Audio Test, Keyboard Test, Sensor Test and RTC Test.
Press “▲/▼” to select the item to be selected. Press OK to start it.
7.1 TFT display test
The device can automatically test TFT color display effect through color
display, white display and black display) to see whether the screen
works normally.
Press OK to continue and press ESC to exit.
7.2 Audio test
The device can automatically test voice prompt effect through playing
voice files in the device to see whether the files are complete and the
voice effect are good or not.
F18 User Manual V1.0