136 Exiting Viewer PTZClick the [Viewer PTZ] button again. The Viewer PTZpanel closes and Viewer PTZ is exited.Cropping and Displaying Part of Video(Digital PTZ)You can use the Digital PTZ panel to crop and displaypart of a camera video in the video display area. It is alsopossible to use a preset or home position registered to thecamera. Digital PTZDigital PTZ is a function that facilitates simple panning,tilting, and zooming without changing the camera lensposition that was adjusted at the time of installation bytransmitting just part of the camera effective pixel areafrom the camera to the viewer.NoteIf digital PTZ is enabled while receiving H.264 video, the receivedvideo changes to JPEG format. Differences Between Viewer PTZ and DigitalPTZViewer PTZ and Digital PTZ are both simple pan, tilt, andzoom functions that use the digital zoom function, but theyhave the following differences because they employdifferent operating principles. Opening the Digital PTZ PanelClick the [Digital PTZ] button to display the Digital PTZpanel.The appearance of the [Digital PTZ] button differs asfollows depending on the state of the Digital PTZ function. Specifying a Cropping RangeChange the position and size of the preview frame on theDigital PTZ panel to specify the range to display in thevideo display area.You can also click and drag outside the preview frame todraw a new preview frame.The preview frame is blue when you have not obtainedcamera control privileges. When you obtain cameracontrol privileges, the preview frame turns yellow and youcan use the following procedures to resize and move it. Changing the SizeYou can resize the preview frame by dragging it. Thepreview frame turns blue during dragging. The videoinside the frame is displayed in the video display area inaccordance with the size of the frame.Viewer PTZ Digital PTZEnlarges the specified part ofthe video transmitted from thecamera and then displays it inthe viewer.Transmits only the trimmedpart of the entire area that canbe captured by the camera.The size of the received datais large.The size of the received datais small.PTZ operation can beperformed independently foreach viewer.Independent operation cannotbe performed for each viewer(if multiple viewers areconnected, the same displayis applied in the otherviewers).Digital PTZ is disabled (displays the scene as seen bythe camera).Digital PTZ is enabled (displays trimmed video).
