Remote Surveillance DVR User Manual113Click one camera window in the preview area and then click to set the camera’s livepreview stream and record stream to main stream in manual record mode; click toset the camera’s live preview stream and record stream to sub stream. In sub stream tab, set theresolution, FPS and bitrate and then click “Apply” to save the settings.Operation panel introduction:Button MeaningClick it to snap.Click it to start record to computerClick it to start record to the DVR.Click it to zoom in the image of the camera and then drag the mouse on thecamera image to view the hidden area.Click it to zoom out the image of the camera.The 3D zoom in function is designed for P.T.Z. Click the button and thendrag the image to zoom in or zoom out the image; click the image ondifferent areas to view the image of the dome omni-directionally.Click it to close the preview camera.Click it to enable audio and then drag the slider bar to adjust the volume.You can listen to the camera audio by enabling audio.