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SafeSound
With the earphones, SafeSound allows you to
listen to music in a safe way.
When you listen to music through the
earphones, the sound pressure on your
ears is estimated¹ based on the electrical
characteristics of the player and earphones.
Then, the estimate is compared against the
reference levels² of sound pressure. As a result,
icons of different colors can be displayed to
indicate status of sound pressure and the levels
of risks to hearing damage.
Level of sound
pressure
Maximum duration
more than 90
decibels
30 minutes a day
85 to 90 decibels 2 hours a day
80 to 85 decibels 5 hours a day
safe more than 5 hours
a day
Tip
¹The methodology is based on European norm (50332-
1/2).
²The reference levels come from the minimum
requirement for health and safety that the European
directive 2003/10/EC provides for the noises exposed
to individuals.
Use the SafeSound
1 Make sure that you have plugged the
earphones into the player.
2 On the music play screen, press the
volume buttons.
» If you have switched on the SafeSound
function, the SafeSound screen is
displayed.
3 Do the following to select options:
Tap
to select the SafeSound options.
Tap
to view your exposure to
sound pressure over one week.
Tip
For the information about SafeSound options, see
'SafeSound' (see 'SafeSound' on page 24).
Use a Micro SD card
On MUSE, insert a Micro SD card (up to 32
GB). You can expand the memory size of MUSE.
To play from the SD card,
From the Home screen, select
,
, , , or .
»
from the SD card.