222.8 Pan/Tilt/ZoomPlease note: Slight difference may be found in the user’s interface, due to various protocols. Please make sure the speed domes A/B cables are properly connected to the A/B ports ofDVR. You have properly set PTZ information. Please switch camera monitor channel to current window.2.8.1 PTZ SetupThe pan/tilt/zoom setup includes the following items. Please select channel first. See Figure 2-17. Protocol: Select corresponding PTZ protocol such as PELCOD. Address: Input corresponding PTZ address. Baud rate: Select baud rate. Data bit: Select data bit. Default value is 8. Stop bit: Select stop bit. Default value is 1. Parity: There are three choices: none/odd/even. Default value is none.Figure 2-17After completing all the setups please click save button, system goes back to the previous menu.2.8.2 PTZ OperationIn one window display mode, right click mouse (click “Fn” Button in the front panel or click“Fn” key in the remote control). The interface is shown as in Figure 2-18.Figure 2-18Click Pan/Tilt/Zoom, the interface is shown as below. See Figure 2-19.Here you can set the following items: Step: value ranges from 1 to 8. Zoom Focus