Tests and Diagnostics
1)If the press of a key is recognized correctly, the object key on a display will be eliminated.
2)When redoing a keyboard test, the "Refresh" button arranged at the screen lower left is pressed. Next, it returns to the state immediately after starting.
Note: The check of the "FN" key should press "FN" and "F3" simultaneously. It does not react, even if it presses only the "FN" key.
