Codan 85xx SERIES Microphone & Mod.
On Local radio's if you move the purple wire over to the green wire, this defeats the audio link in the microphone,
making it easy to listen to stations without the microphone plugged in.....!
Pin1 PTT ground brown
Pin2 PTT red
Pin3 Microphone ground orange
Pin4 Microphone yellow
Pin5 Speaker (link) violet - purple
Pin6 Speaker blue (VPD Option)
Pin7 Speaker ground (link) green
(link) is found inside the microphone.