5.10 Live View Setup
In "Display" menu, you can setup live view properties.
In "Preview" menu, you can setup select out, preview mode, screen switch time,
enable or disable audio preview and preview layout.
Select Out: Use "Select Out" to select the main or Spot outputs
Preview mode: For preview mode item, you can use [↑] [↓] key to select one mode.
If DVR has only 1 channel, you can select only "1 Screen" option. If DVR has 4 channels,
there are "1 Screen" and "4 Screen" options. If DVR has more than 4 but less than 9
channels, there are "1 Screen", "4 Screen" and "9 Screen" options. If DVR has 16
channels, there are "1 Screen", "4 Screen", "9 Screen" "12 Screen" and "16 Screen"
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