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Steps
1. Go to System → Device Access → Device Conguraon → Device Parameter → Video Device →
Privacy Mask.
Figure 8-1 Privacy Mask
2. Select a camera.
3. Turn on Enable.
4. Draw mask areas on the preview window. The areas will be marked with dierent frame colors.
Note
Up to 4 privacy mask areas can be congured and the size of each area can be adjusted.
5. Click Save.
8.5 Congure Audio Parameter
Aer an audio device is added, you can congure its parameters in System → Device Access →
Device Conguraon → Device Parameter → Audio Device. For example, if an IP speaker is added,
its name, audio output volume and audio quality can be congured.
8.6 Congure OTAP Service
OTAP (Open Thing Access Protocol) is an unied integrated standard and push-pull mode of
HikVision protocol in the public network and private network. Aer OTAP is enabled, other
applicaons may be able to remotely view videos through this protocol.
Before You Start
Ensure your device network is accessible through OTAP protocol.
Network Video Recorder User Manual
30
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