Searching for Motion
!52 To focus motion search on an area of a video feed’s picture
1.After preparing a motion search, as explained in 5.2, Preparation, click ,
the Show / Hide mask button. You have the option of clicking , the Show / Hide masking grid button.
2.On the larger image, click where you need the motion search to occur. Blocks appear as you click on the image. You can click as many times as needed. See figure 42.
!53 To remove a block in a mask
•Click the block.
!54 To view more masking commands
•Place the mouse pointer on the large video image of a motion session and