Charging The Headphones' Battery - Sony MDR-IF320RK2 Operating Instructions Manual

Charging the
headphones'
battery
Using the headphones for the first
time
The headphones are powered by their
built-in rechargeable battery. When
you use the headphones for the first
time, proceed to charge in the
following way.
1
Connect the supplied AC power
adaptor to the transmitter.
Transmitter
AC power
adaptor
(supplied)
to DC IN
9V jack
2
Rest the headphones on the
transmitter so that the contact pins
fit into the contact holes on the
headphones. The charging
indicator lights.
6
01/02-11_MDRIF320RK2.12E
When the indicator is not lit
Check the connection to make sure that
the contact pins are properly fitted into
the contact holes on the headphones, or
if the headphones are rested on the
transmitter correctly.
To recharge the headphones'
battery after use
To charge the battery, follow steps 1
and 2.
• Since little electric current is used for
charging, there is no need to worry
about overcharging.
• It allows operation for about one
hour by charging the battery for
about three hours.
• It takes about 24 hours to fully charge
the battery. The fully charged
battery allows operation for about
seven hours.
to an AC
outlet
Check the remaining power of the
headphones' battery
Pull the right side headband, and check
that the headphones' indicator lights in
red. You can now use the headphones.
Charge the battery, if the power
indicator light is weak or turned off.
Note
During recharging, the transmitter is turned off
automatically.