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26 | M2 OEBT
Care and maintenance
Storage and handling
To keep the headphones in good condition and to avoid nicks and scratches, fold
the ear cups inwards towards the headband. Store the headphones in a carry
case when not in use or when transporting them.
Updating the software using the Sennheiser Updater
You can update the software of your headphones by using the free “Sennheiser
Updater” PC software.
X Download the “Sennheiser Updater” from www.sennheiser.com/cco/
software.
X Install the PC software. To install the software, you need administrator rights
on your computer.
X To update the software, connect only one product at a time.
Updating the software of the headphones
1. Connect the headphones to your computer using the USB cable.
2. Start the “Sennheiser Updater”.
The “Sennheiser Updater” compares the installed firmware version of the
headphones to the latest firmware version available for download. If your
firmware needs to be updated, upgrade to the latest version according to the
instructions of the “Sennheiser Updater”.