INSTALLATION
3.To test that the microphone is connected correctly, blow lightly into the mouthpiece. If you hear the ‘blowing sound’ in the earpiece, your P-Amp40 is now set. If you cannot hear the ‘blowing sound’, repeat 2 and 3 until both the earpiece and microphone are working correctly.
Note 1: The rotary switch is factory set in the most of common wir- ing position so always try this first before turning the switch.
Note 2: The rotary switch has deliberately been made rather stiff to avoid misoperation or accidental change of setting. We apologise if you find this inconvenient . But after first
Note 3: The
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