Step 1. Right click the mouse to pop up the DVR interface menu, click PTZ and select
"Pelco-C", then jump to next；
Step 2. Click the "+" icon on the right side of Menu" Iris Menu‘ to call up the camera
menu, as shown in .
Step 3. Click the 
‘’ button in the arrow key and select "PIR SETTING".
Step 4. Click the "+" button on the right side of Menu Iris Menu to call up the camera PIR function menu.
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