Microphone Bias Voltage Requirements
The boom microphone requires a bias voltage of
Optional Aircraft Power Supply Module
The power supply module is designed for use in negative ground electrical systems only. Do not attempt to use with
Installing a Battery in the Optional Battery Module
The battery module requires one 9 volt battery. Alkaline batteries are rec- ommended for best performance. Do not use
1.Slide the battery door over in the direction of the arrow, then up to remove the battery door.
2.Snap the battery onto the battery connector and place the battery into the case.
3.Slide the battery door back into place.
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