Beyerdynamic PHONUM Manuel D'utilisation page 4

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Thank you for placing your trust in us and for purchasing the Phonum speaker phone.
For the best results, we would like to give you an introduction into how to use Phonum.
1. Safety information
General information
• READ this user manual.
• KEEP this user manual.
• FOLLOW the operating and safety instructions listed there.
Disclaimer
• The company beyerdynamic GmbH & Co. KG accepts no liability for damage to the
product or injury to persons caused by careless, improper, incorrect use of the
product, or use for purposes not specified by the manufacturer.
Troubleshooting / repair
• Do not attempt to open the device.
• Leave all servicing to authorised and qualified personnel only.
Cleaning
• Clean the device only with a slightly damp or dry cloth. Never use solvents, since
these may damage the surface.
Batteries
• The Phonum device is operated with the following type of rechargeable battery:
lithium ion
• High temperatures, especially at a high charge level, lead to irreversible damage.
• If you should not use the battery for a longer period of time, or if you wish to store it,
it is advisable to reduce the battery to approximately 50% of the rated charge and to
store it at temperatures of up to a maximum of 20°C.
Phonum speaker phone