XG-P25XE (serv.man34). Basic operation - Sharp Projector User Guide / Operation Manual. Page 7

Ordinarily, the type of input signal is detected and the correct resolution mode is automatically selected.
However, for some signals, the optimal resolution mode in “Special Modes” on the “Fine Sync” menu
screen may need to be selected to match the computer display mode. See page 

 for the procedure

details.

• Avoid displaying computer patterns which repeat every other line (horizontal stripes). (Flickering may occur, making the

image hard to see.)

• When inputting DTV 480P or 1080I signals, select the corresponding type of signal.

This function allows you to check the current input signal information.