Some of the camera features, such as Video Motion Detection (VM), Obscure Image Area (OA), Exposure Windows, Custom Size and Free Zoom / Crop options use windows within the image sensors that you can define and modify for the corresponding image sensor or the visible image section using graphical means.
The yellow frame in the live image disappears after the coordinates have been entered in a definition box by clicking on one of the buttons or the zoom feature, or after 60 seconds at the latest. After first the [Shift]-click, the camera will wait 10 seconds for you to follow up with a second click.
Note that the MxAnalytics functions include the definition of counting corridors. Proceed as follows to draw a counting corridor in the live image instead of a rectangle.
Hold down the [Ctrl+Shift] keys and left-click inside the displayed image with your mouse. This spot is highlighted in yellow.
In order to define the direction and length of the counting corridor, hold down the [Shift] key and click again into the live image.
Click again to set the width of the counting corridor.
Then click on the button in the dialog to add the counting corridor coordinates to the corresponding definition field.