User manual
4. Web-based Interface
NDF821/NDF821E l User Manual 33
4.2.8 ePTZ
Using the ePTZ function, you can use the pan, tilt and zoom controls to steer the camera to a desired
position and focus on desired close-up areas, without moving the camera physically.
Before using the ePTZ function, make sure one of the streams are congured to use MJPEG codec
with D1 resolution. Please refer to the Image > Codec page.
On the main screen, a PTZ button appears. After you click the ePTZ button, an ePTZ control panel
will shows up where you can click the corresponding indicators to perform desired operations:
• To zoom in/out: Click the +/- indicator repeatedly to zoom in/out the live view image.
• To pan left/right: Click the left/right indicator to pan the viewing area. The pan function
does not work if the video is not zoomed-in (no zoom status).
• To tilt up/down: Click the up/down indicator to tilt the viewing area. The tilt function does
not work if the video is not zoomed-in (no zoom status).
• To preset to home: Click the home indicator and the image will return to the original view.