Magnimage LED-500CD User Manual page 38

How to use the hot backup?
Enter the"PIP submenu"and select"automatic switching function", you can set how to use
LED-500C hot backup function here. Here are four options, for details please refer to the table
below：
Item
Off
Window1
Window2
signal
Note that when you use the hot backup function, location and size of channel 1 or channel 2
output image should be set in advance according to actual use. Recommend using "picture 1
priority" option, set the backup sources to the channel 2.
Hot backup is the operation based on the signal detection, when the signal source is unstable
or lost moments, there will be instant black screen, but within the fastest time (around 0.2
seconds), backup channel image will be displayed, let picture interrupt time reduced to a
minimum.
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Details
Not to use the heat backup function
If channel 1 signal is effective, then output channel 1 image,
otherwise, the output channel 2 image.
If channel 2 signal is effective, then output channel 2 image,
otherwise, the output channel 1 image.
In the case of two channels signal are invalid, the first
effective of the two channels signal, then its image will be
output, the behind signal does not affect the output image.