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Set method: refer to chapter 4.3.1.
4.3.3 Video Loss
When the equipment can not obtain the channel video signal, the video loss alarm is turned on and the linkage
function is turned on.
Picture 4.9 video loss
Set method: refer to chapter 4.3.1.
4.3.4 Alarm input
When the equipment obtains the external alarm signal, the alarm function is turned on.
Picture 4.10 alarm input
Set method: refer to chapter 4.3.1.
