Observint NVR4 Firmware User Manual page 39

To setup cameras to use the PIR feature:
1. Check the Switch box for a PIR capable camera to enable PIR detection.
2. Set the sensitivity level for the area you setup for PIR detection. Level 1 the lowest sensitivity level, level 8 is the highest
sensitivity level.
3. Click the icon in the Setup column to open the setup menu. See below.
By default, the entire field of view is selected for PIR sensing, as indicated by the orange tinted segments over the background.
To select only the segments where a heat signature detection is valuable:
a. Click Clear All to clear all selected segments in the field of view.
NVR4, NVR8, NVR16, NVR32 Firmware User Manual
SECTION 3: CHANNEL - LIVE DISPLAY
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