(4)Screen image is smaller or larger than the actual screen images.
=>
Use the <Resolution> adjustment.
Adjustment is needed when the input signal resolution and the resolution now being displayed are different.
Select <Resolution> and confirm if the resolution now being displayed is the same as the input resolution. If it is not, adjust the vertical resolution using the Up and Down button and adjust the horizontal resolution using the Right and Left buttons.
4.Adjust the output signal range (Dynamic Range) of the signal.
=> 
Use the <Range Adjustment> of <Screen> menu.
This controls the level of output signal range to display the whole color gradation (256 colors).
[Procedure]
Select the <Range Adjustment> in the ScreenManager. While the message is on the screen, press the Auto Adjustment button on the control panel to adjust the Range Adjustment.
The screen blanks for a moment and adjusts the color range to display the whole color gradation of the current output signal.