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Putting the MM 400 into operation
8
Putting the MM 400 into operation
Charging the battery pack
왘
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. When the battery pack is fully charged, the LED
on the battery pack
lights up green.
When the battery pack is almost flat, the
LED
on the headset flashes
red. You hear a short, negative acknowledgement tone.
The operating time of the battery pack depends on the device settings, the
listening situation and the audio sources used.
Before using the MM 400 for the first time, remove the
protection strip from the battery pack.
3h
쐎
1
3s
Type of use
Operating time
Bluetooth
technology
10 hours
Remove the battery pack if the headset will not be used for
extended periods of time.
You can also charge the battery pack while using the headset.