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How to use the hot backup?
Enter the“PIP submenu”and select“automatic switching function”, you can
set how to use LED-540 hot backup function here. Here are four options, for
details please refer to the table below
：
Item
Details
Off
Not to use the heat backup function
Window1
If channel 1 signal is effective, then output channel
1 image, otherwise, the output channel 2 image.
Window2
If channel 2 signal is effective, then output channel
2 image, otherwise, the output channel 1 image.
signal
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.
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.