Connector 6 - MIC (Lemo 4 PIN)
PIN
I/O
Function
1
I
Microphone - left channel
2
O
Ground
3
O
Ground
4
I
Microphone - right channel
https://en.racelogic.support//Product_Info/Video_Data_Loggers/VBOX_Video_HD2/VBOX_Video_HD2_User_Guide/10_-
_HD2_Technical_Properties/VBOX_Video_HD2_-_PIN_OUTS
97