Sennheiser MM400 Instruction Manual download pdf (Page 11)

Putting the MM 400-X into operation

10 | MM 400-X

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 to a PC:

왘 Connect the USB plug of the charging cable 쐎 to the USB socket of

your PC.

The battery pack is being charged. The LED 쐊 on the battery pack

lights up red.

To connect the charging cable to the mains unit:

왘 Connect the charging cable 쐎 to the mains unit.

왘 Plug the suitable country adapter onto the mains unit.

왘 Plug the mains unit into a wall socket.

The battery pack is being charged. The LED 쐊 on the battery pack

lights up red.

왘 After charging, unplug the mains unit from the wall socket.

If you have charged the battery pack outside the headset:

왘 Insert the charged battery pack into the headphone’s battery pack

compartment until it locks into place.

왘 Close the cover of the battery pack compartment 쐆.

Adjusting the headband

For optimum transmission quality, good noise attenuation and best

possible comfort, the headband has to be adjusted to properly fit your

head:

왘 Wear the headset so that the headband 쐃 runs over the top of your

head.

왘 Adjust the length of the headband so that

–the ear pads 쐄 rest comfortably against the ears,

– you feel even, gentle pressure around your ears,

– a snug fit of the headband 쐃 on the head is ensured.

왘 To ensure maximum noise attenuation, final adjustment is best made

in a noisy environment.

쐊

쐎

쐄

쐃

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Sennheiser MM400 Instruction Manual Page 11