Button 4:
Amplifier Power ON/OFF
CAUTION: This device provides powerful amplification of the audio signal beyond the normal output of standard stereo devices. This system is specifically engineered for underwater use to enhance fidelity at depth. This power amplifier is powerful and must be used carefully. After using the product, lower the volume to zero before turning the device on again.
The MP3 player Volume level MUST be at ZERO before turning the Amplifier Power ON
Lever 2: Volume
WARNING: The MP3 player volume MUST be at ZERO before turning the Amplifier Power ON. Button 4 will turn the H2O AUDIO DV Amplifier unit ON and OFF. Pushed once, it will turn the module ON, LED will illuminate. Pushed again will turn the module OFF. This system is equipped with a Stereo Amplifier Module located within the housing. The Amplifier is engineered to provide output power needed at depth to maintain high fidelity and clarity of the audio.
