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4.3.4 Alarm input
When the equipment obtains the external alarm signal, the alarm function is turned on.
Alarm input is the same between hybrid mode & full digital mode, function enable, when it
was set normal, only need to connect alarm sensor at alarm input port on local side, the
alarm information is occurring, and will link to related setting functions at the same time
Alarm input in Hybrid(HVR) mode
Pic 4.10 Alarm input