3M PELTOR WS LiteCom Pro III User Manual

© 3M Svenska AB
Värnamo, Sweden
14 Interfaces
14.1 External interface pin out:
Pin 1
x EXTERNAL PTT
x Activated when shorted to Pin 2 (ground)
Pin 2
x GROUND
Pin 3
x INPUT
x The input signal is mixed with the WS™ LiteCom Pro II audio output level
(speaker output).
o 94 mV = Input signal level for which the mean
plus one standard deviation equals 82 dB(A) in cup.
Pin 4
x BOOM MICROPHONE OUTPUT
x Applied signal at the boom microphone input comes out on pin 4
o 2, 25 mV Microphone input = 10 mV output
External audio input levels EN 352-6:
Input signal level pin 3 U (mV, RMS)
Mean sound pressure level in cup(dB(A))
Standard Deviation
Sound Pressure (dB)
28,1
70,8
0,7
49,9
75,8
0,7
88,8
80,8
0,7
157,9
85,7
0,7

3M PELTOR WS LiteCom Pro III Specifications

General

Brand	3M
Model	PELTOR WS LiteCom Pro III
Category	Headsets
Language	English