
PIN 1 GROUND/SHIELD.
PIN 2 MIC.
PIN 3/4 PTT.
PRO-20, PRO-30, PR0-40, CLASSIC PRO, HERITAGE.
3 PIN XLR PLUG.
UNBALANCED OUTPUT.
PIN 1 SHIELD.
PIN 2 + MIC.
PIN 3 - MIC.( connected to pin 1 )
BALANCED OUTPUT.
PIN 1 SHIELD.
PIN 2 + MIC OUTPUT
PIN 3 - MIC GROUND
HEIL TRAVELER HEADSET
PIN 1 MIC.
PIN 2 +8 VOLTS.
PIN 3 U/DOWN.
PIN 4 SQUELCH.
PIN 5 PTT.
PIN 6 EARTH PTT.
PIN 7 MIC EARTH.
PIN 8 AUDIO OUTPUT.
THE HEIL CONNECTION SYSTEM.
MORE INFORMATION FROM THE HEIL WEBSITE.
date http://homepage.ntlworld.com/rg4wpw/date.html
37 di 48 2010-06-03 22.17
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