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Pelco Manual C690M-E (11/04) 83
VIEWING RECORDED VIDEO
PLAYBACK CONTROL BUTTONS
It is important to understand how the DVR plays back recordings. On playback, the DVR
makes use of a buffer in the viewing PC’s memory. The buffer can hold up to 100 images and
begins to fill when you play recordings from the DVR or PC hard drive. It empties with any
switch (for example, switching cameras or switching from viewing a recording to viewing live).
Initially, you can only view forward until the information is in the buffer; then you can view
frame-by-frame and in reverse.
The playback control buttons function as follows:
This button moves the display to the first (oldest) image in the buffer portion of the PC’s
memory.
This button plays the images in the buffer in reverse (up to 100).
This button reverses the display in the buffer one image at a time (up to 100 images).
This button pauses the display.
This button stops the display.
This button advances the display one image at a time.
This button plays the video forward.
This button displays the last (newest) image in the buffer.
This button controls the speed at which the recording plays. When you click this button,
speed changes and the program displays a slide control used to increase/decrease the
play speed.