QNAP Security VioStor NVR (Version: 3.5.1) - Manual (Page 101)

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Audio (optional): Turn on/off the audio support
Digital zoom: Enable/disable digital zoom
Search recording files by IVA
Add file(s) to the playlist
Remove selected file(s) from the playlist
/
Play/pause a video file
Stop
Reverse play
Previous file
Next file
Last frame
Next frame
Play the video at 1/16x, 1/8x, 1/4x, 1/2x, 1x, 2x, 4x, 8x, 16x
speed
Control all views: Control the playback settings of all the
playback windows simultaneously
Click once to fit the image to the window and keep the aspect
ratio when playing the video. When disabled, the Player will fit
the video to the window only.