Canon VB-S905F Network Camera VB-S30D/VB-S31D/VB-S800D/VB-S805D/VB-S900F/VB-S9 - Page 136

„ Exiting Viewer PTZ Click the [Viewer PTZ] button again. The Viewer PTZ panel closes and Viewer PTZ is exited. Cropping and Displaying Part of Video (Digital PTZ) You can use the Digital PTZ panel to crop and display part of a camera video in the video display area. It is also possible to use a preset or home position registered to the camera. „ Digital PTZ Digital PTZ is a function that facilitates simple panning, tilting, and zooming without changing the camera lens position that was adjusted at the time of installation by transmitting just part of the camera effective pixel area from the camera to the viewer. Note If digital PTZ is enabled while receiving H.264 video, the received video changes to JPEG format. „ Differences Between Viewer PTZ and Digital PTZ Viewer PTZ and Digital PTZ are both simple pan, tilt, and zoom functions that use the digital zoom function, but they have the following differences because they employ different operating principles. Viewer PTZ Digital PTZ Enlarges the specified part of the video transmitted from the camera and then displays it in the viewer. Transmits only the trimmed part of the entire area that can be captured by the camera. The size of the received data The size of the received data is large. is small. PTZ operation can be performed independently for each viewer. Independent operation cannot be performed for each viewer (if multiple viewers are connected, the same display is applied in the other viewers). The appearance of the [Digital PTZ] button differs as follows depending on the state of the Digital PTZ function. Digital PTZ is disabled (displays the scene as seen by the camera). Digital PTZ is enabled (displays trimmed video). „ Specifying a Cropping Range Change the position and size of the preview frame on the Digital PTZ panel to specify the range to display in the video display area. You can also click and drag outside the preview frame to draw a new preview frame. The preview frame is blue when you have not obtained camera control privileges. When you obtain camera control privileges, the preview frame turns yellow and you can use the following procedures to resize and move it. „ Changing the Size You can resize the preview frame by dragging it. The preview frame turns blue during dragging. The video inside the frame is displayed in the video display area in accordance with the size of the frame. „ Opening the Digital PTZ Panel Click the [Digital PTZ] button to display the Digital PTZ panel. 136