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Cordless Stereo Headphone
MDR-IF0140
1 Battery compartment lid
To set a battery, open the lid.
2 Ear pad 35
The ear pads are replaceable.
3 Power (ON/OFF) switch 17
4 POWER indicator 17
When the power switch of the headphones
is set to ON, the POWER indicator lights
up in red.
5 VOL control dial 17
To adjust the volume level from 0 to 10.
Battery life
Size AAA dry battery (1) is supplied with the
headphone.
Battery Approx. hours*
1
Sony alkaline battery 60 hours*
2
LR03/AM-4 (N)
Sony manganese battery 28 hours*
2
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.
Notes on Battery
•Do not charge the dry battery.
•Do not carry the 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 headphones
for a long time, remove the battery to avoid
damage from battery leakage or corrosion.
OPEN
ON
OFF
POWER
VOL
Lid (Z OPEN)
AAA dry
battery
Lid (Z OPEN)
When to replace the battery
When the battery becomes weak, the power
indicator light dims, or sound becomes
distorted or noisy. Replace the battery with
new one as soon as possible.
Inserting the battery
1 Open the lid (Z OPEN) of the left
housing.
2 Insert the size AAA dry battery into the
battery compartment matching 3
terminal on the battery to 3 on the
compartment.
3 Close the lid (Z OPEN).