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Inserting batteries
Without batteries, the headphones can be used like passive headphones. Batteries are
required for the noise cancellation function. To replace exhausted batteries, use two AAA
alkaline batteries .
...- Switch off the noise cancellation before inserting the batteries .
...- Push the cover of the battery compartment on the right earpiece down and fold it up
to open the battery compartment .
...- Insert the batteries. Observe the polarity markings in the battery compartment when
you insert the batteries .
...- Close the cover of the battery compartment and push it up until it audibly engages.
Notes:
• Take the batteries out of the battery compartment if you do not use the head-
phones for an extended period of time.
• The batteries must be replaced if the power-on indicator no longer illuminates.
• The power consumption of the headphones is low. When using alkaline batteries,
the operating time is approx. 70 hours.
• Batteries may not be deformed, short-circuited or thrown into a fire.
• Batteries may leak if used improperly. This creates an explosion or fire hazard.
Remove spent batteries from the battery compartment.
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