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Do not make any adjustments and modifications that are not described in this manual. Follow all safety instructions to ensure proper operation of the device. The manufacturer assumes no liability for damages resulting from non-compliance with the safety instructions.

Safety instructions

  • Protect the device from rain and liquids to prevent damage to the device or a short circuit.

  • Do not expose the device to excessive heat caused by placing it on a heating device or in direct sunlight.

  • Protect the cables from damage by being trapped, particularly at the plugs and where cables exit the housing.

  • Do not perform any maintenance operations that are not described in this user manual. Do not disassemble the device into its component parts to carry out repairs. The device may only be repaired in authorized service centers.

  • All wireless devices may be susceptible to interference, which could affect performance.

  • Back up your data and recordings. The manufacturer’s warranty does not cover loss of data resulting from user actions.

Hearing protection

Observe the following guidelines when you use headphones:

  • Set the volume to a moderate level and don’t use headphones to listen for excessively long periods of time.

  • Be particularly careful to avoid adjusting the volume to a level that your hearing can’t deal with.

  • Don’t turn the volume up so high that you can’t hear what is going on around you.

  • In potentially dangerous situations, be particularly careful or temporarily discontinue use.

  • Don’t use headphones while you are operating a motorized vehicle, cycling, skateboarding, and so on. You could be a hazard to yourself and other road users, and possibly be breaking the law.

Small children

Your device and its accessories may contain small parts. Keep them out of the reach of small children.

Medical device interference

Operation of any radio transmitting equipment may interfere with the functionality of inadequately protected medical devices. Consult a physician or the manufacturer of the medical device to determine if they are adequately shielded from external RF energy or if you have any questions. Switch off your device in health care facilities when any regulations posted in these areas instruct you to do so. Hospitals or health care facilities may be using equipment that could be sensitive to external RF energy.

Hearing aids

Some digital wireless devices may interfere with some hearing aids. If interference occurs, consult your service provider.


RF signals may affect improperly installed or inadequately shielded electronic systems in motor vehicles such as electronic fuel injection systems, electronic antiskid (antilock) braking systems, electronic speed control systems, and air bag systems. For more information, check with the manufacturer, or its representative, of your vehicle or any equipment that has been added.

Only qualified personnel should service the device or install the device in a vehicle. Faulty installation or service may be dangerous and may invalidate any warranty that may apply to the device.

Check regularly that all wireless device equipment in your vehicle is mounted and operating properly. Do not store or carry flammable liquids, gases, or explosive materials in the same compartment as the device, its parts, or enhancements. For vehicles equipped with an air bag, remember that air bags inflate with great force.

Use in aircraft

Wireless transmitters can negatively affect the operation of other electronic equipment, causing them to malfunction. Turn off your device when you travel in aircraft.

Cleaning and disinfection

  • Before cleaning, disconnect all cables from the device.

  • To clean the device, use a soft dry cloth.

  • To disinfect the device, use products for disinfection of surfaces in clinical areas and patient care equipment, such as surface disinfectant wipes.

  • Do not use harsh chemicals or strong detergents.

  • Avoid getting moisture in openings.

  • Do not rub or strike the surface with anything hard or sharp as this may scratch or damage the surface permanently.

Disposal of your old product


A crossed-out wheeled bin symbol attached to a product indicates that the product is covered by the European Directive 2011/65/EU. Please get informed about the local separate collection system for electrical and electronic products. Please act according to your local rules and don’t dispose of your old products with your normal household waste. Correct disposal of your old product helps to prevent potential negative consequences for the environment and human health.

About this user manual

Find a quick overview of your device on the next pages. For detailed description, see the following chapters of this user manual. Read the instructions carefully.

Symbols used


This symbol identifies information that helps you to use your device more efficiently and simply.


This symbol indicates notices which you should observe when handling or operating the device.


This symbol warns of damage to the device and possible data loss. Damage can be caused by improper handling.