PART 1: Enable Smart Event (Line Crossing Detection) via NVR Local UI
✅ Step 1: Log in to the NVR (monitor connected to NVR)
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Use your mouse to right-click → select Menu.
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Log in with your admin credentials.
✅ Step 2: Access Smart Event
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Go to Menu > Camera > Smart Event.
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Select your Camera (e.g., D1).
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Choose Line Crossing Detection from the list.
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Tick Enable.
✅ Step 3: Configure Line
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Click Draw Area.
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Use your mouse to draw a line on the video view.
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Left click to start, left click to end.
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Double-click to finish.
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Set the Direction (A→B, B→A, or both).
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Set the Sensitivity (default is ~60–70%).
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Set Target Detection (e.g., human only — if your model supports it).
✅ Step 4: Set Schedule & Linkage
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Go to the Schedule tab.
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Set to All Day or define active hours.
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In Linkage Action, tick:
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Trigger Recording
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Notify Surveillance Center
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(Optional) Buzzer, Email, etc.
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Press Apply to save.
PART 2: Enable Audio Recording via NVR Local UI
✅ Step 1: Confirm Audio is Enabled in Camera Stream
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Go to Menu > Camera > Video.
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Select your camera channel.
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Ensure Stream Type = Video & Audio.
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Click Apply.
✅ Step 2: Confirm Audio Recording
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Go to Menu > Record > Parameters.
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Select your camera.
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Confirm Stream Type = Video & Audio.
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Click Apply.
✅ Step 3: Check Audio During Playback
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Go to Menu > Playback.
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Select the camera and time.
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Use the bottom control bar → Click the speaker icon.
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Turn up your monitor’s volume (audio is played through the NVR’s HDMI/VGA output).