3R4, R8, R16 DVR V8.1.0 User ManualSECTION 1: SYSTEM OVERVIEW• Remote parameters setup• Remote viewing of the device status, system logs and alarm status• Remote HDD formatting and program upgrading• RS-485 transparent channel transmission• Alarm and exception information can be sent to the remote host• Remotely start / stop recording• Remotely start / stop alarm output• Remote PTZ control• Remote JPEG capture• Two-way audio and voice broadcasting• Embedded Web server1.1 Using the mouseMouse controlA standard 3-button (left / right / scroll-wheel) USB mouse can also be used with this DVR. To use a USB mouse:1. Plug the USB mouse into the either the front panel or back panel USB connector of the DVR.2. When the recorder is powered on, the mouse will be automatically detected. If the mouse is not detected, the mouse may notbe compatible with the DVR. Please refer to the recommended device list from your provider.Using the mouse1. Left Button:— Click to select menu options.— During live viewing in split-screen view, double-click on a channel to view it in full-screen. Double-click the channelagain to return to split-screen viewing.— Click on a channel in the Live screen to open Camera Quick Toolbar.— Click and hold to drag sliders and scales on menu mode.2. Right Button:— Click once to open the task bar on the Live screen.— In menus, click to go back or close the menu.3. Scroll Wheel:— In menus, scroll to move up / down through the menu content.— While hovering over the volume control wheel, scroll to turn system volume up / down.