Sennheiser 500643 - Manual (Page 8)

7
Commissioning
Inserting and replacing batteries
For active noise compensation (NoiseGard function)
you need a battery or rechargeable battery (AAA).
̈
Open battery compartment
¸
on the right ear cup.
̈
Remove the used battery.
̈
Insert the battery. Pay attention to the correct
polarity while inserting (see left illustration).
̈
Close the battery compartment
¸
. The flap will
audibly snap shut.
Note:
– Make sure that the normal / bypass
·
sliding
switch is in the normal setting (see page 10).
– You can also use the headphones without
batteries. Switch the NoiseGard function off
before removing the battery (see ”Switching
NoiseGard on and off“ on page 11).
– Remove the battery from battery compartment
¸
, if you will not use the headphones for an
extended period.
If the battery capacity is almost depleted, the LED
º
flashes. Replace the battery or rechargeable battery.
If the battery is completely empty, the NoiseGard 2.0
function independently switches off.
¸
¸
º
PXC450_517600_0806_SP6.book Seite 7 Donnerstag, 13. September 2007 10:26 10