QH32DVR4C User’s Manual80Appendix A: Mouse Control Function1. In the preview interfaceDouble-click the left key1. Switch to the most pictures when viewing single picture.2. Switch to full screen mode when viewing multi-pictures. Back to previous multi-pictureswhen you double click again.Scroll wheel forwardSwitch to previous screenScroll wheel backwardSwitch to next screenSingle-click the right keyPop up function menu including “main menu” “single picture 1-4ch” “multi picture 1/4”“next preview” “ PTZ control” “manual record” “close status”2. PTZ interfaceDouble-click the left keyMove to the center of the screen (For SAE\YAAN protocol)Drag the left keySelect an area to zoom in (For SAE\YAAN protocol)Single click the left keyIf you selected an area for zooming in this action it will save the position as No.60 andzoom in the area (For SAE\YAAN protocol)Scroll wheel forwardSwitch to the previous channelScroll wheel backwardSwitch to the next channel3. Channel name or OSD position configuration interfaceDrag the left keyA rectangular frame followed with cursorSingle click the left keyPop-up menu including confirm & cancel4. Area configuration interfaceRight clickPop-up menu including confirm, cancel, clear, full (this option only appears in motiondetect area configuration)Drag the left keyExtend or shrink areaMovingThe primary grid followed with cursor