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Backlight Level setting method
<< Key operation >>
1. Tap the edit box at the left of the Set button to make it active.
2. Then, tap the bottom left of the screen, and the screen will be as shown below. Tap 'Keyboard'.
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L 13942296513
<< Key operation >>
3. When the keyboard appears, tap the edit box again to make it active. Then input by keyboard becomes possible.
Enter a desired number and tap 'Set' to change the brightness of the backlight.
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