Sony MDR-IF230RK User Manual

Open the battery compartment lid on
top of the left housing.

Insert the supplied rechargeable battery
NC-AA (HJ) by matching the 

] on the

battery to the 

] terminal on the lid.

Make sure that the battery is charged.

Close the battery compartment lid.

Removing the battery
Open the battery compartment lid, while
keeping the housing level and remove the
battery from the battery compartment as
illustrated below.

        

Insert the dry cell battery into the
headphone battery compartment in the
same way as when inserting the
rechargeable battery.

When to replace the battery
Replace the  battery with a new one when
the POWER indicator on the headphones
dims, and a hissing noise increases.

Sony alkaline battery
LR6/AM3 (N)

Sony battery
R6P/SUM-3 (NS)

100

50