Care And Maintenance; Replacing The Ear Pads; Information On The Built-In Rechargeable Battery; Installing Firmware Updates - Sennheiser PXC 550-II Instruction Manual

Care and maintenance

CAUTION
Liquids can damage the electronics of the product!
Liquids entering the housing of the product can cause a short-circuit
and damage the electronics.
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Keep all liquids far away from the product.
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Do not use any solvents or cleansing agents.
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Clean the parts of the product only with a soft, dry cloth.

Replacing the ear pads

For reasons of hygiene, you should replace the ear pads from time to time. Spare ear pads are
available from your Sennheiser partner.
1.Remove the ear pad from the hooks of the ear cup.
2.Attach the new ear pad by hooking the plastic frame of the ear pad into the hooks of the ear cup.
3.Gently pull all sides of the ear pad to ensure that it is properly hooked into all hooks of the ear cup.

Information on the built-in rechargeable battery

Sennheiser ensures and guarantees that the rechargeable battery performs at its optimum upon
purchase of the product. If, upon purchase or within the warranty period, you suspect that the
rechargeable battery is obviously defective or if a charging error/battery error is displayed (>
of the LED display), stop using the product, disconnect it from the power supply system and
immediately return the product to any Sennheiser service partner.
Outside the warranty period, you can have the rechargeable battery replaced for a fee by your
Sennheiser service partner. Contact your local Sennheiser partner: www.sennheiser.com> "Service &
Support".

Installing firmware updates

Firmware updates can be downloaded free of charge from the Internet using the Sennheiser Smart
Control app. Sennheiser recommends to always install the latest firmware version to ensure the best
performance of your product.
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Connect the headphones to your smartphone and start the Smart Control app (>
Control app).
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The app provides information on available firmware updates and guides you through the installation
process.
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Overview
Installing the Smart