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. - 
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. - 
Set to All Day or define active hours. 
 
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In Linkage Action, tick: - 
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). 
 




















