User manual SENNHEISER MM 400 X

[. . . ] MM 400-X Instruction manual Bedienungsanleitung Contents Contents Important safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 MM 400-X . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Delivery includes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Product overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] This setting is retained until the Bluetooth function is switched on again. To switch the headset off: 1 5 Press the Master button and keep it pressed until the LED 1 flashes 3 times red. To switch the Bluetooth function off: Press the Bluetooth button ¿ and keep it pressed until the LED 1 flashes 3 times red. The Bluetooth function is switched off. ¿ 12 | MM 400-X Putting the MM 400-X into operation Connecting the MM 400-X using the audio cable Connecting the audio cable You can connect the headset to the audio source using the audio cable if: · · you do not want to use the Bluetooth function, you are not allowed to use the Bluetooth function (some airlines do not allow Bluetooth transmission) or · the battery pack is flat. When the audio cable is connected to the headset, the Bluetooth function cannot be switched on. 1 If the headset is already connected to the audio source via the Bluetooth interface, the Bluetooth connection is automatically disconnected when you connect the audio cable. Connect the 2. 5 mm jack plug of the audio cable to the socket » of the headset. Music Photos Videos Extras Settings Shuffle Songs Connect the 3. 5 mm jack plug of the audio cable µ to ­ the headphone socket of your audio source or ­ the in-flight adapter ¸ if you want to use the headset with an in-flight entertainment system. µ ¸ 1 When the audio cable is connected to your audio source, you hear the sound from your audio source and the LED 1 flashes blue. Detaching the audio cable If you only want to use the MM 400-X as a Bluetooth headset, you can detach the audio cable µ. Pull the 2. 5 mm jack plug of the audio cable µ from the socket » of the headset. When detaching the audio cable, the Bluetooth function is not automatically switched on. Switch the Bluetooth function on again (see "Switching the Bluetooth function on/off" on page 15). MM 400-X | 13 Putting the MM 400-X into operation Switching the MM 400-X on/off WARNING Danger of hearing damage!Listening at high volume levels for long periods can lead to permanent hearing defects. Switching the MM 400-X on 1 5 Press the Master button and keep it pressed until the flashes blue. You hear an ascending beep. LED 1 ­ When switching the headset on for the first time, it will automatically go into pairing mode. The headset is waiting to be paired with a Bluetooth enabled device (see page 12). ­ When the headset is already paired with an audio source, the Bluetooth connection is automatically established. ­ When the headset is already paired with an audio source but the audio source is switched off or out of range, the LED 1 flashes blue. 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 automatically switches off after 60 minutes. Switching the MM 400-X off 1 5 Press the Master button flashes 3 times red. and keep it pressed until the LED 1 You hear a descending beep. The headset switches off. 14 | MM 400-X Using the MM 400-X Using the MM 400-X The headset has a Bluetooth function for wireless connectivity. Depending on the listening situation, you can switch this function on or off. If your audio source supports apt-X, the MM 400-X will automatically stream music wirelessly in high-quality mode (apt-X). [. . . ] The technology was first brought to market for radio automation applications to store CD quality audio on computer hard drives for direct playout during radio shows, hence automating the process of the disc jockey. The acclaim the technology received lead to further research and development and throughout the 1990s the technology was used by Broadcast and Post-production studios worldwide to deliver high-fidelity, low latency audio in situations where bandwidth was limited. The same core principles that have earned apt-X worldwide acclaim in the Broadcast and PostProduction markets make it the perfect solution for delivering high quality audio on wireless devices. apt-X is leading the way in bringing pro-audio quality to the discerning consumer. Professional grade sound 24 | MM 400-X apt-X audio coding apt-X key features: · Blind listening tests with industry reference audiences have shown that apt-X over Bluetooth is indistinguishable from audio delivered over wired technology. [. . . ]