Charging the battery pack ..............8 Adjusting the headband ..............10 Switching the MM 400 on/off ............11 Connecting the MM 400 to the audio source ......12 Connecting the MM 400 using the audio cable ......15 Using the MM 400 ................16 Adjusting the MM 400 to the listening situation .......
• Only use the supplied mains unit and charging cable. • To reduce the risk of fire or electric shock, do not use the device and the mains unit near water and do not expose them to rain or moisture.
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Safety instructions for the Lithium-Polymer battery pack If abused or misused, the battery pack may leak. In extreme cases, it may even present • a heat hazard, • a fire hazard, •...
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MM 400 MM 400 The MM 400 is an accessory which allows for wireless music enjoyment when used with mobile phones or other Bluetooth devices/Bluetooth compliant devices. Its supra-aural, closed design makes the MM 400 espe- cially suitable for use with in-flight entertainment systems.
1 BA 370 PX battery pack 1 USB charging cable 1 PSC 03R-050 mains unit with country adapters 1 audio cable (2.5 mm to 3.5 mm jack plug) 1 inflight adapter (3.5 mm double mono jack plug) 1 transport case...
This pictogram symbolizes a flashing. This pictogram symbolizes an interruption. This pictogram symbolizes an interval. This pictogram symbolizes a continuous flashing. Examples of some of the pictograms that are used throughout this instruc- tion manual: Pictogram Meaning The LED flashes once every 3 seconds.
Before using the MM 400 for the first time, remove the protection strip from the battery pack. Charging the battery pack Before using the battery pack for the first time, charge it for at least 3 hours. When charging the battery pack, the LED on the battery pack lights up red.
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Connecting the charging cable to the battery pack You can charge the battery pack either inside or outside the headset. This is helpful if you are using a spare battery pack (to be ordered separately). To charge the battery pack...
Connecting the charging cable to the mains unit, to a PC or to other USB devices In order to charge the battery pack, you can connect the charging cable to either the USB socket of your PC or the supplied mains unit or to other USB devices. To connect the charging cable...
The headset will try for 3 minutes to connect to one of the up to 8 previously paired audio sources. If this fails, the headset automati- cally switches off after 60 minutes.
Bluetooth technology, you have to register your headset with your audio source (pairing). The headset can save the connection profiles of up to 8 Bluetooth devices with which it has been paired. After switch-on, the headset automatically connects to one of these devices.
If no device is found within approx. 5 minutes, the flashes 3 times red and you hear a descending beep. The headset will then try for 3 minutes to connect to one of the up to 8 previously paired audio sources.
Bluetooth function. To disconnect the Bluetooth connection to the audio source, you can switch off the headset or the Bluetooth function. This setting is retained until the Bluetooth function is switched on again, even when you switch the headset off in the meantime.
Detaching the audio cable If you want to use the MM 400 as a Bluetooth headset, you can detach the audio cable Pull the 2.5 mm jack plug of the audio cable from the socket the headset.
3 times red. You hear a descending beep. Bluetooth button goes off. The flashes blue and the Bluetooth function is switched off. Changing the volume The MM 400 allows you to change the volume of the audio signal: Button Duration Function Button Duration Function...
Remote-controlling connected devices from the MM 400 You can directly remote-control any device supporting the AVRCP profile and connected to the MM 400 by using the buttons on the headset. Please refer to the instruction manual of your audio source for information on whether your device supports the AVRCP profile.
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Duration Function Accepts the call Rejects the call (acknowledgement tone) Ends the call If the mobile phone is switched on, does not ring and you do not make a phone call: Button Duration Function Redials the last number (acknowledgement tone)
Resetting the settings of the MM 400 You can reset all settings of your headset to the factory default settings. This allows you to prevent that other users of the headset can access your Bluetooth enabled devices. You can then pair five new devices with the headset.
Transporting the MM 400 Transporting the MM 400 For space-saving transportation, the headset can be folded up flatly compactly. Rotate the ear cups by 90°. Tuck the ear cups between the headband. Place the headset flat into the transport case.
Only use a soft, slightly damp cloth to clean the headset. Replacing the ear pads You can replace the ear pads. Spare ear pads are available as accessories (see “Accessories and spare parts” on page 23). Grasp the edge of the ear pad behind the ear cup and peel it up and away from the ear cup.
(see page 13). The Bluetooth function Switch the Bluetooth function on the headset is on the headset on (see page 16). switched off. The audio cable is The connection of the audio cable connected to the automatically switches off the headset.
Accessories and spare parts Accessories and spare parts The following MM 400 accessories are available from your specialist dealer: Cat. No. Accessory/spare part 531404 Ear pads, 1 pair 531405 Headband padding, 1 pair 521829 PSC 03R-050 mains unit with 4 country adapters...
Fax: +1 (860) 434 1759 declare the above device comply with the requirements of Federal Communications Commission. This device complies with Part 15 of the FCC rules. Operation is subjected to the following two conditions: 1) This device may not cause harmful interference, and 2) This device must accept any interference received, including interference that may cause undesired operation.
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Manufacturer Declarations This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
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Sennheiser electronic GmbH & Co. KG. ® The Bluetooth word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Sennheiser electronics GmbH & Co. KG is under license. ® ® iPod and iPhone are registered trademarks of Apple Computer, Inc.