Sennheiser 140 Headphones User Manual


 
13
ENGLISH
Connecting the transmitter (Fig. 1)
Establish the necessary connections (mains unit, audio connecting
cable).
Removing the ear cushions (Fig. 2 and 3)
The ear cushions are secured to the earcups by means of a quarter
turn fastener. To remove an ear cushion, turn it in the direction of
the arrow until you overcome a slight resistance and lift it off the
earcup.
Inserting the rechargeable batteries (Fig. 4)
Remove the left ear cushion (Fig. 2 and 3).
Insert the rechargeable batteries.
Attention: Observe correct polarity when inserting the batteries!
Charging the rechargeable batteries
For charging the batteries, place the headphones on the charging
cradle of the transmitter. (The headphones automatically turn off
during charging.) The red LED “CHARGE” lights up during the
charging process. If the batteries are fully charged, the transmitter
automatically switches to trickle charging and the red LED “CHARGE”
flashes slowly.
Charge the batteries for at least 16 hours prior to first time use.
Subsequent charging time is about the same time as the previous
operating time.
Always store the headphones on the transmitter to ensure that they
are fully charged when they are needed. The intelligent battery
charging technology prevents overcharging. If you do not use the
head-phones for extended periods of time, please remove the
batteries and disconnect the transmitter’s mains unit from the
mains.
Nearly discharged batteries will significantly reduce the sound
quality. Approx. 10 minutes before the batteries are completely
discharged, an acoustic warning signal is produced (two long beeps,
see table on page 16).
RS140_GB.fm Seite 13 Dienstag, 25. Oktober 2005 5:38 17