132On the top right corner, there are five function buttons. See Figure 5-10.Figure 5-10 1: Zoom: Click this button and then left drag the mouse in the zone to zoom in. rightclick mouse system restores original status. 2: Record: When you click local record button, the system begins recording and thisbutton becomes highlighted. You can go to system folder RecordDownload to viewthe recorded file. 3: Screenshot: You can snapshoot important video. All images are memorized insystem client folder PictureDownload (default). 4: Audio :Turn on or off audio.(It has no relationship with system audio setup ) 5: Close video.5.5 PTZBefore PTZ operation, please make sure you have properly set PTZ protocol. (Pleaserefer to chapter 5.8.5.4).There are eight direction keys. In the middle of the eight direction keys, there is a 3Dintelligent positioning key.Click 3D intelligent positioning key, system goes back to the single screen mode. Drag themouse in the screen to adjust section size. It can realize PTZ automatically.Please refer to the following sheet for PTZ setup information.Parameter FunctionScan Select Scan from the dropdown list. Click Set button, you can set scan left and right limit. Use direction buttons to move the camera to you desired locationand then click left limit button. Then move the camera again andthen click right limit button to set a right limit.Preset Select Preset from the dropdown list. Turn the camera to the corresponding position and Input thepreset value. Click Add button to add a preset.1 2 3 4 5