****************************************

Camera depending notes: 

- ixus700_sd500 uses Propset 1 of Properties (see http://tinyurl.com/6zbv9b)
- ixus700_sd500 does NOT have a real IRIS Diaphragm, it only has an ND Filter! 
Mind this.
- cam supports multipartitions

- USB remote shoot does not work. 
  http://chdk.setepontos.com/index.php?topic=11723.msg115203#msg115203