Sennheiser Set 880 Instruction manual Set 880 - Page 32

Cleaning and maintaining the Set 880 Replacing the stethoset receiver's rechargeable battery The BAP 800 rechargeable battery of the stethoset receiver is compactly built into the receiver housing and does not have to be replaced or removed. If the operating time of the stethoset receiver decreases drastically or if a charging error is displayed during charging (see page 16), the rechargeable battery may be exhausted or defective and has to be replaced. CAUTION Danger of damage to the product! During the warranty period, the rechargeable batteries must only be replaced or removed by an authorized Sennheiser service partner, otherwise the warranty will be null and void. E Contact your Sennheiser service partner if the rechargeable bat- teries need to be replaced or removed. Outside the warranty period, the rechargeable batteries may be replaced or removed by any qualified service center in an appropriate manner. Instructions for qualified service centers on how to replace or remove the rechargeable batteries are available from your Sennheiser service partner. You need suitable tools for replacement. We therefore recommend to have the rechargeable battery replaced by your Sennheiser service partner. To find a Sennheiser service partner in your country, search at www.sennheiser.com. 32 | Set 880