User's Manual

The Power transmitters
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5 The Power transmitters
5.1 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 analog radio
module with antenna inside.
The devices have the following external characteristics:
Element Description
Sensor storage place
Sensor socket
for connecting the microphone / hydrophone
I/O pushbutton
short pressing … switches the device on
long pressing … switches the device off
Ventilation / venting membrane
Antenna socket
for connecting the analog radio antenna