User's Manual

The Power transmitters

4 The Power transmitters

4.1 Function and Design

Each Power transmitter has an active amplifier for the microphone signal, a data

memory, a rechargeable Li-Ion battery, a digital radio module and an analogue radio

module with antenna inside.

The sensors have the following external characteristics:

Element Description

Microphone storage place

Sensor socket

for connecting the microphone / hydrophone

I/O pushbutton

short pressing ... switches the device on

long pressing ... Switches the device off

Antenna socket

Antenna socket for connecting the analogue radio antenna

Ventilation/venting membrane