Williams Sound model wir 240/250 Benutzerhandbuch

4

This product is designed to amplify sounds to a high volume level which 
could potentially cause hearing damage if used improperly.

1. Make sure the volume is turned down before putting on the 

earphone or headphone before adjusting the volume to a 
comfortable level.

2. Set the volume level at the minimum setting that you need to hear.

3. If you experience feedback (a squealing or howling sound), reduce 

the volume setting and move the microphone away from the 
earphone or headphone.

4. Do not allow children or other unauthorized persons to have  

access to this product.