Canon CHDK Quick Start Manual page 67

65
Experimental development is being done on the PTP feature for CHDK cameras, this will provide
computer control of a camera similar to Canon's EOS Utility and Remote Capture, but with CHDK
capability such as remote script control.
As at May 2010 so far the supported cameras are: (for experimental use)
A480-100b, A540-100b, A590-100e, A610-100e and 100f, A650-100d, A710-100a, A720-100c,
SX1-201a, SX10-101a and 102b, SX200-100c, IXUS700/SD500-101a.
See:- (PTP Interface thread at forum)
http://chdk.setepontos.com/index.php/topic,4338.0.html
A photography Motto - Be Prepared for Anything and Everything.