Changing the key layout
Long-press a key to change the layout, drag it to a new location, and then press [OK].
Hiding a key
Long-press a key to hide, drag it to [Hide the Keys] (Trash icon), and then press [OK].
Displaying a hidden key
Press "Hidden Key List" to display the hidden keys. Press and hold the key to display, drag it to the
location to display, and then press [OK].
How to Use the Scanner Screen
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