Channel Operation In Self Diagnosis Mode(Loop-Back) - LG GLOFA-GM Series User Manual

Chapter 4 Performance specification

4.1.3 Channel operation in self diagnosis mode(Loop-Back)

Loop-Back diagnosis is a function to check if communication channel is normally operated by itself without
connection with external devices, and is operated only if the mode switch is in Loop-Back mode. For the details of
operation method, see 'Chapter 9 Diagnosis function'.
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