Edimax WP-S1100 User Manual page 41

You can click 'YES' button to change computer's display resolution to projector
server's display resolution setting (your computer must be able to support the
resolution), or click 'NO' button to keep your computer's display resolution
setting unchanged. No matter you click 'YES' or 'NO' button, your computer's
display content will be transmitted to projector server's display. However, if you
click 'NO' button, displayed image on projector server's display will be
malformed.
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