Sony MDR-IF240RK Operating Instructions Manual page 7

When the remaining battery
power becomes weak
When the rechargeable battery becomes
weak, the power indicator light dims.
Recharge the battery as soon as
possible.
Note
The rechargeable nickel-metal hydride
battery should be replaced with new one
when they last only half the expected time
after a proper recharging. The rechargeable
battery type BP-HP550 is not commercially
available. You can order the battery from the
store where you purchased this system, or at
your nearest Sony dealer.
Using the headphones with dry
battery (sold separately)
Commercially available (size AAA) dry
batteries can also be used to power the
headphones. Install the battery in the
same manner as described in steps 1
through 3 of "Charging the supplied
rechargeable battery."
When dry battery is installed, the
battery charge function is not
activated.
Battery life
Battery
Sony alkaline battery
LR03/AM-4(N)
Sony manganese
battery R03/UM-4
(NU)
1
* at 1 kHz, 1 mW+1 mW output
2 Time stated above may vary, depending
*
on the temperature or conditions of use.
1
Approx. hours*
60 hours* 2
2
28 hours*
Notes on Batteries
• Do not charge a dry battery.
• Do not carry a dry battery together
with coins or other metallic objects. It
can generate heat if the positive and
negative terminals of the battery are
accidentally come into contact with
metallic objects.
• When you are not going to use the
unit for a long time, remove the
battery to avoid damage from battery
leakage or corrosion.
Getting started
7 GB