AXIS M31 Network Camera SeriesConfigure your deviceYou can see the number of pixels for each of the rectangle’s sides (X and Y), and decide if the values are enough foryour needs.View areaA view area is a cropped part of the full view. You can stream and store view areas instead of the full view to minimize bandwidthand storage needs. If you enable PTZ for a view area, you can pan, tilt and zoom within it. By using view areas you can remove partsof the full view, for example, the sky.When you set up a view area, we recommend you to set the video stream resolution to the same size as or smaller than the view areasize. If you set the video stream resolution larger than the view area size it implies digitally scaled up video after sensor capture,which requires more bandwidth without adding image information.Privacy masksA privacy mask is a user-defined area that prevents users from viewing a part of the monitored area. In the video stream, privacymasks appear as blocks of solid color.You’ll see the privacy mask on all snapshots, recorded video, and live streams.You can use the VAPIX® application programming interface (API) to turn off the privacy masks.ImportantIf you use multiple privacy masks it may affect the product’s performance.Hide parts of the image with privacy masksYou can create one or several privacy masks to hide parts of the image.1. Go to Video > Privacy masks.2. Click +.3. Click the new mask and enter a Name.4. Adjust the size and placement of the privacy mask according to your needs.To change the color for all privacy masks: expand Privacy masks and select a color.See also Privacy masks on page 30OverlaysOverlays are superimposed over the video stream. They are used to provide extra information during recordings, such as a timestamp,or during product installation and configuration. You can add either text or an image.Show a text overlay in the video stream when the device detects an objectThis example explains how to display the text “Motion detected” when the device detects an object.1. Start the application if it is not already running.2. Make sure you have set up the application according to your needs.Add the overlay text:1. Go to Video > Overlays.2. Under Overlays, select Text and click .11