11.7 LED TestMain menu/Test/LED testThe Test LEDs menu enables the operator to activate LEDs manually. LEDs that donot light up are defective. Defective LEDs are also logged in Disturbance recordsunder Monitoring.11.8 Line differential testMain menu/Test/Line differential test/LineDiffLogicSettings used during test of line differential protection including test mode setting.With the line differential protection in test mode, it can be tested locally withoutcausing unwanted operation in the remote end.Main menu/Test/Line differential test/LDCMXThe scale factor for current sent to remote end IED to be echoed back to local IEDduring test is set here.Section 11 1MRK506276-UUS BTest the IED94Operator's manual
