Did you ever get the PTZ functionality working with these cameras?
I just bought one, it's a pretty good camera but not much use in ZM unless I can move it
I had the same trouble - after going through the logs I found that for some reason zm was looking in /var/cache/zoneminder/images instead of the images directory I'd specified in options. Fixed by running: rmdir /usr/share/zoneminder/images ln -s <path to your actual images dir> /usr/share ...
I'm running Zoneminder 1.24.2-8 which I apt-get'd on a Debian box from it's standard repositories. Using an Edimax IP camera as a source. Had a few issues with paths that meant I had to change the symlinks in /usr/share/zoneminder rather than change the apropriate fields in the options/paths box (no ...