l-com 16-CH User Manual page 64

Will playback the area 4 channels only, the other channels are real time.
You may change each channel position:
Move the cursor to the position you like and press the channel number.
8.7.2 Playback by 1ch
Mode -> Search -> by Time/by Event/by Archived Files -> Play -> move to the
channel you want to playback
Will playback the channel only, the other channels are real time.
You may change to any channel directly, just move cursor to the channel and press play.
8.7.3 Playback All Channels
Press the MODE until all channels turn grayed, then
Search -> by Time/by Event/by Archived Files -> Play -> move to the
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