Asus V9999 Series - Manual (Page 58)

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7. Click and drag the mouse on an area to set detect region.
D e t e c t r e g i o n D e t e c t r e g i o n D e t e c t r e g i o n D e t e c t r e g i o n D e t e c t r e g i o n
8. Click to begin surveillance.
You can set up to a maximum of ten (10) detect regions.