... recommend that you leave this ticked. You can still zoom-in on the trackpad as far as you wish, but the images from the sketchboard will not be displayed beyond the limit. In design quality the limit doesn't apply, and with a modern computer you should be able to zoom and pan over the trackpad, with sketchboard items showing, at near normal speed. Here are some views of the same when showing on the trackpad: 2_190758_010000003.png 2_190758_010000004.png When zoomed further in, the differences between them become more obvious: 2_190758_000000002.png 2_190758_000000001.png At this level of zoom the design quality option is actually the more useful for design work, as each original pixel is clearly shown and can be used for alignment, taking measurements, etc. The above settings apply to the appearance of bitmap* items on both the sketchboard and the trackpad. There is a further option called transfer mode, see 3. above, which applies only to the trackpad, but to all the sketchboard items shown on there. This option controls the way in which the sketchboard contents are drawn ...