The Acer X113 has a maximum resolution of SVGA (800x600). That's 39% less resolution than the most frequently found native projector resolution of XGA (1024x768).
A SVGA (800x600) native projector resolution is in fact the worst resolution across all multimedia projectors of a comparable age and type to the X113.
Across similar types of projector the best resolution is WXGA (1280x800).
There are a number of alternative data projectors that have a resolution of SVGA (800x600) currently available that you might want to consider including the Acer X112 which has a better Rating.