4mp ptz camera pan, tilt, and zoom commands
go left:
http://ip_addr/cgi-bin/hi3510/ptzctrl.cgi?-step=0&-speed=8&-act=left
go right:
http://ip_addr/cgi-bin/hi3510/ptzctrl.cgi?-step=0&-speed=8&-act=right
go up:
http://ip_addr/cgi-bin/hi3510/ptzctrl.cgi?-step=0&-speed=8&-act=up
go down:
http://ip_addr/cgi-bin/hi3510/ptzctrl.cgi?-step=0&-speed=8&-act=down
to stop:
http://ip_addr/cgi-bin/hi3510/ptzctrl.cgi?-step=0&-speed=8&-act=stop
go to home position
http://ip_addr/cgi-bin/hi3510/ptzctrl.cgi?-step=0&-speed=8&-act=home
zoom out
http://ip_addr/cgi-bin/hi3510/ptzctrl.cgi?-step=0&-speed=8&-act=zoomout
zoom in
http://ip_addr/cgi-bin/hi3510/ptzctrl.cgi?-step=0&-speed=8&-act=zoomin
horizontal scan
http://ip_addr/cgi-bin/hi3510/ptzctrl.cgi?-step=0&-speed=8&-act=hscan
vertical scan
http://ip_addr/cgi-bin/hi3510/ptzctrl.cgi?-step=0&-speed=8&-act=vscan
preset (-number=[preset number-1])
http://ip_addr/cgi-bin/hi3510/param.cgi?cmd=preset&-act=set&-status=1&-number=1
recall (-number=[preset number-1])
http://ip_addr/cgi-bin/hi3510/param.cgi?cmd=preset&-act=goto&-status=1&-number=1