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3.5.3 Full check before implementation
After completion of the test and configuration, users are recommended to give the
equipment a final full-scale check to ensure everything is on track for working with long-
term stability. It shall contain (but not limited to) the following items
：
Check the strength and quality of all input signals.
Check if there are any alarm lights on front panel LED indicator.
Check whether the cable connections are in good condition which are
connected to each external device.
