Sennheiser MB Pro 1, MB Pro 2 26

Cleaning and maintaining the headset

Updating the software of the Bluetooth USB dongle

1.Plug the Bluetooth USB dongle into the USB port of your PC.

2.Start the “Sennheiser Updater”.

The “Sennheiser Updater” compares the installed firmware version of the Bluetooth USB dongle to the latest firmware version available for download. Upgrade to the latest version according to the instructions of the “Sennheiser Updater”.

MB Pro1 MB Pro 2 25

Contents

Page Contents Important safety information Introduction Package contents Product overview Overview of headsets Overview of the headset chargers Overview of the BTD 800 USB dongle Overview of pictograms Overview of the LED indications Overview of buttons Page Putting the headset into operation Charging the headset battery Pairing the headset with Bluetooth devices 20 cm Using the headset Individually adjusting the headset and wearing it Switching the headset on and connecting it Switching the headset off Activating/deactivating the voice prompts Retrieving information on the remaining talk time Activating/deactivating the room experience (MB Pro 2 only) Vol + Vol – Changing the volume Making calls using the headset Page Managing multiple calls Restoring factory default settings (Reset) If you are out of the Bluetooth transmission range Cleaning and maintaining the headset Cleaning the headset and the headset charger Replacing the ear pads Replacing the headset’s rechargeable battery Storing the headset Updating the software of the product Page If a problem occurs Specifications Manufacturer Declarations Sennheiser Communications A/S