Adjust the trapezoid setting when the top or bottom of the display is too large or small. 
Adjust the parallelogram setting when the display is leaning left or right.
Adjust the rotation setting when the entire display is tilted left or right.
Adjust the side pin corner correction when the top or bottom of the display is too large or small.
You can see the frequency (user control mode) used by the user, the polarity of the operational signals, the default frequency (default mode) set when you buy the monitor and the resolution level.
Note: These screens do not allow any changes to the settings, they are for information only.