User's Manual

24 | MB Pro1 | MB Pro 2
If a problem occurs ...
Updating the software of the product
You can update the software of your headset and Bluetooth dongle by using the
free “Sennheiser Updater” PC software.
 Download the “Sennheiser Updater” from www.sennheiser.com/cco/software.
 Install the PC software. To install the software, you need administrator rights
on your computer. If necessary, contact your IT department.
To update the software of your headset:
1. Remove the ear pad from the ear cup where the microphone is located.
2. Use a USB cable with mini USB jack to connect the headset to your computer.
3. Start the “Sennheiser Updater”.
The “Sennheiser Updater” compares the installed firmware version of the
headset to the latest firmware version available for download. If your firmware
needs to be updated, install the latest version according to the instructions of
the “Sennheiser Updater”.
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To update the software of your 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 Blue-
tooth USB dongle to the latest firmware version available for download. Install
the latest version according to the instructions of the “Sennheiser Updater”.
Restoring factory default settings (Reset)
1. Switch the headset off (see page 14).
2. Simultaneously press and hold the headset‘s multi-function button and Audio
button for 5 seconds.
The LED flashes 3 times purple and then alternately blue and red. The headset
tries to pair with Bluetooth devices (see page 11).
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