If you cannot connect to Hikviosion DS-2DE4220-AE3 PTZ using the tab for ONVIF Source.
According to specifications the camera support ONVIF. Do this:
-upgrade to latest firmware.
-make sure that ONVIF and PTZ are enabled in the camera.
-you might need to make a couple of restarts. Try to add the canera again.
-if that do not work follow this guide My IP camera support ONVIF but it do not show up in Netcam Studio
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