About HD Remote Control
Remote Control from a PC or Mac
High-definition (HD) quality provides a premium remote control experience. With HD remote control you can seamlessly watch videos and stream music from one computer to another.
Fastpath: To turn on HD while controlling a computer from a PC
or Mac, go to the Remote Control toolbar and click
.

For more information, see How to Change the Color Quality of the Host Screen.
Tip: HD quality provides the least amount of latency and the
smoothest transition with an automatically adjusting resolution.