Sony MDR-IF540RK - Manual (Page 5)

Getting started
5 GB
Charging the
supplied
rechargeable
batteries
The supplied rechargeable nickel-metal
hydride batteries are not charged from
the first time you use them. Be sure to
charge them before use.
To charge the headphones, place them
on the transmitter.
1
Press the button of the left
housing to open the battery
compartment lid.
The battery compartment lid comes
off.
2
Insert the supplied rechargeable
nickel-metal hydride batteries
into the battery compartment
matching 3 terminal on the
batteries to 3 in the
compartment.
Do not use rechargeable batteries
other than the supplied ones.
Button
3
Close the battery compartment
lid.
4
If your AC power adaptor is
equipped with a voltage
selector, set it to the operating
voltage in your area with a
screw driver before connecting
the AC power adaptor to an AC
outlet.