QNAP Security VioStor CMS (Version: 1.0.1) - Manual (Page 124)

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Fit image to window/Keep the aspect ratio (Apply to
all):
Fit the live view channel to its window or keep the aspect ratio
for all channels on the Live View Screen.
Digital Zoom:
Select an IP camera and click this button to enable
digital zoom. This function can also be enabled by right clicking
the Monitoring Window.
Zoom in/out:
Click these buttons to zoom in/zoom out a PTZ camera if that
camera supports digital zoom. With digital zoom enabled, the
buttons can be used to zoom in/zoom out the camera digitally.
Audio in:
Enable/disable the camera’s audio input.
Audio Support (optional):
Turn on or off the audio support for the live view page.
Focus Control:
Adjust the focus of the camera (if this feature is supported by
that camera.)
Quick Bookmark:
Bookmark an instant video image for live view.
Detailed Bookmark:
Enter the details of a bookmarked image.
Pan and Tilt:
Click these buttons to pan or tilt the camera (If the pan and tilt
control is supported by the camera.)
3.15.4 Auto Cruising
The auto cruising feature is used to configure the PTZ cameras to cruise according to the
preset positions and the staying time set for each position.