User's Manual
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Menu → System Settings → OSD language and keyboard → User-defined dictionary.
8.8 Date and time
To set the date, time, time zone, time system and format, you can press
Menu → System Settings → Date and time.
8.9 Screen calibration
To calibrate the screen, press Menu → System Settings → Screen calibration. The n
calibrate the touch screen by following the prompts. After that, the system will
prompt you to return to the settings list.