142 BasicsViewing Images by Using PTZFeaturesPTZ (pan, tilt and zoom) operations are available only whenthe camera supports the PTZ features.● Button operations are ignored when the camera does notsupport the PTZ features.Note:● If the [PTZ Control] section is not displayed, click [ ] todisplay it.1 Click the top bar of the live screen of a camerayou want to select, and select the camera● When you select a camera, the blue top bar turns tolight blue.2 Click the PTZ navigation buttons in the [PTZControl] sectionNote:● When the mouse pointer turns to a crosshair point on thePTZ camera image screen, you may change the directionof the camera by pointing and clicking the image screen. Ifit does not, you cannot perform camera operations on theimage screen. For some PTZ cameras, the mouse pointermay not turn to a crosshair pointer. Moreover, operationsmay not be available even when the mouse pointer turnsto a crosshair pointer, depending on the type of PTZcamera. In these cases, perform operations by using thePTZ navigation buttons in the [PTZ Control] section.● For any analog camera connected to a network encoder(IP video server: VN-E4U/E, etc.) the pointer does notturn to a crosshair pointer.● With a mouse with a scroll wheel, you can use the wheelto zoom in/out with a PTZ camera.● If you use the electronic zoom feature of VN-V685U/VN-V686U/VN-V686BU Series, the electronic zoomoperations stop temporarily on the boundary between theoptic zoom and electronic zoom. To continue zooming,perform the zoom operation again. Digital zoomYou can view enlarged images from cameras by selecting the[Digital zoom] check box in the [PTZ Control] section.Performing the digital zoom operation will show a small viewof the whole image at the lower right.Note:● Images to be recorded are not zoomed even when digitalzoom is used.● When digital zoom is used, the recording frame rate maydecrease due to increased load on this unit.● Deselect the [Digital zoom] check box to finish digitalzoom.Caution:● When the [Digital zoom] check box is selected, actual PTZoperations are not performed.Using the Preset FeaturesBy selecting from the preset list, you can move the cameradirection to the preset position.Note:● If the [PTZ Control] section is not displayed, click [ ] todisplay it.● This operation is available only when the camera supportsthe PTZ features.● The preset list can be configured from [AdvancedConfiguration] B [Hardware Devices] B (PTZ camera’s)[Camera Properties] B [PTZ Preset Positions] in theManagement Application. (A Page 39)1 Select a preset position from the preset list inthe [PTZ Control] section● The camera moves to the preset position.Operating Cameras on theLive Image ScreenItem DescriptionA PTZ navigationbuttonsFor moving the camera in thedirection of arrows.B Home button For returning to the home position.C [+]/[-] For zooming in/out.132