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Cordless Stereo Headphones MDR-IF0140
1 Battery compartment lid 39
To set a battery, open the lid.
2 Ear pad 40
The ear pads are replaceable.
3 Power (ON/OFF) switch 18
4 POWER indicator 18
When the power switch of the headphones
is set to ON, the POWER indicator lights
up in red.
5 VOL control dial 18
To adjust the volume level from 0 to 10.
O
P
E
N
O
N
O
F
F
POW
ER
VOL
Battery life
Size AAA dry battery (1) is supplied with the
headphones.
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.
Tip
Refer to “Replacing the battery” for details on
how to replace the battery (page 39).