3Svision N6074 User Manual page 134

Bullet Network Camera
6. Click On button from Enable Selection to enable the Multicast function.
7. Go back the Live View Mode then click the of Streaming to select the
pull-down menu
Multicast
8. Wait a 5~10 sec to re-display the live image via Multicast
NOTE：
Please check the firewall and antivirus setting about IGMP to avoid the function fail.
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