I am very happy with the owner's manual. I bought a used Casio and was so relieved that I was able to get a hold of a owner's manual. It was very easy to download the manual and I had no problems with printing it. Thank you! Nancy Whalen
great site, the most easy and fastest way to find the manual you need, no 5 star because the manual was only available in german, but I speak german as well so no problem for me.
Text excerpt from page 12 (click to view)
The transmitter automatically switches to trickle charging so that the battery cannot be overcharged. The receiver can remain in the charging compartment even when the battery has been fully charged. A battery has a service life of 1-2 years and should be replaced if the operating time decreases. Sennheiser batteries can be recycled. Please dispose of the batteries as special waste or return them to your specialist dealer. To protect the environment, only dispose of totally exhausted batteries which cannot be recharged.