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Manual - Surveillance System, Security Cameras, and CCTV ...

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4.1.2 Playback Control Buttons<br />

Video files may be played back with or without audio. To play back with audio, click the Audio<br />

Playback button shown as below. (Please note not all GV cards support the audio function.)<br />

Playback Scroll Audio Playback<br />

Home Rewind Stop Next Frame<br />

Previous Frame<br />

Play / Pause<br />

Frame by Frame/Real Time Playback<br />

End<br />

Figure 4-4<br />

Speed<br />

Zoom<br />

4<br />

Real Time /<br />

Frame by Frame /<br />

Just Key Frame<br />

A to B Mode<br />

Playing Back Video Files<br />

By default, the ViewLog is set to play back video “frame by frame without audio” for Panorama View,<br />

Quad View <strong>and</strong> Multi View. To change the playback method to real time with audio playback, find the<br />

“Real Time or Frame by Frame” button on the Playback Control Panel.<br />

Frame by Frame (without audio): Plays back video frame by frame. This method delays<br />

playback depending on b<strong>and</strong>width <strong>and</strong> computer performance, but all video frames are fully<br />

played back. When the view mode is set to be Panorama View, Quad View or Multi View, the<br />

default play mode is Frame by Frame.<br />

Real time: Plays back video on real time. This method saves waiting time for rendering, but drop<br />

frames to give the appearance of real-time playback. When the view mode is set to be Single, the<br />

default play mode is Real Time.<br />

217

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