Sennheiser 502875 Headphones User Manual


 
Putting the RS 180 into operation
18
Charging the headphones’ rechargeable batteries
Charge the rechargeable batteries for at least 16 hours prior to first time
use. Subsequent charging time is about half of the previous operating
time. The operating time is up to 24 hours.
̈ Place the headphones on the headphone holder/charger of the
transmitter. Make sure that the headphones make good contact with
the charging contacts .
The rechargeable batteries are being charged. The CHARGE LED
lights up orange.
When the rechargeable batteries are fully charged, the CHARGE LED
goes off.
Adjusting the headband of the headphones
For good sound quality and best possible comfort, the headband has to be
adjusted to properly fit your head. To do so, adjust the headband ³ via its
snap-in locking mechanism:
̈ Wear the headphones so that the headband ³ runs over the top of
your head.
̈ Adjust the length of the headband so that
your ears are completely inside the earpads,
you feel even, gentle pressure around your ears,
a snug fit of the headband ³ on the head is ensured.
CAUTION Danger of damage to the headphones!
If standard batteries are inserted into the headphones and
you place the headphones on the headphone holder/charger
of the transmitter, the batteries can leak and damage your
headphones.
̈ Only place the headphones on the headphone holder/
charger of the transmitter, if rechargeable batteries are
inserted.
16h
Always store the headphones on the headphone holder/charger to
ensure that they are fully charged when they are needed.
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