Microphone Inputs and Outputs

Microphone 3P Connector

Terminal Number
Wire Color
Terminal Name
Description
Voltage (about)
Symptom
1
GRN
MIC+ (HFL mic signal positive)
Microphone output signal positive
8 V
If open: Microphone signal shown as red in diagnostics: System Links and Functional Setup Mic Level.
If short to ground: Microphone signal shown as red in diagnostic screens: System Links and Functional Setup Mic Level.
2
RED
MIC− (HFL mic signal negative)
Ground for microphone signal
0 V
If open: Microphone signal shown as red in diagnostics: System Links and Functional Setup Mic Level.
If short to ground: No effect on voice recognition.