Using The Headphones; Switching The Headphones On; Switching The Headphones Off - Sennheiser HD 4.50BTNC, HD 4.50R Instruction Manual

Using the headphones

Using the headphones

Switching the headphones on

WARNING
Danger due to high volume levels!
Listening at high volume levels for long periods of time can lead to
permanent hearing defects.
Before putting the headphones on, set the volume to a low level.
X
Do not continuously expose yourself to high volume levels.
X
Press the power button for 2 seconds.
X
You hear the voice prompts "power on" and "connected" and the LED flashes
blue 3 times.

Switching the headphones off

Press the power button for 2 seconds.
X
You hear the voice prompt "power off" and the LED flashes red 3 times.
2s
2s
HD 4.50BTNC/HD 4.50R
› power on ‹
› connected ‹
› power off ‹
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