Lenovo Y430 Y430 User Guide V1.0 - Page 57

Switch between headphone and SPDIF, Using external devices, Warning

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Chapter 3. Using external devices „ Switch between headphone and SPDIF 1 Right-click the Sound icon at the bottom-right corner of the task bar and select Playback Devices from the popup menu. 2 When all players are turned off, select Speakers (headphone) or SPDIF Interface and click Set Default button. 3 Click the OK button to save the settings. Warning: Listening to music at high volume over extended periods of time may damage your hearing. Excessive use of headphones or earphones for a long period of time at high volume can be dangerous if the output of the headphones or earphone connectors do not comply with specifications of EN 50332-2. The headphone output connector of your computer complies with EN 50332-2 Sub clause 7. This specification limits the computer's maximum wide band true RMS output voltage to 150 mV. To help protect against hearing loss, ensure that the headphones or earphones you use also comply with EN 50332-2 (Clause 7 limits) for a wide band characteristic voltage of 75 mV. Using headphones that do not comply with EN 50332-2 can be dangerous due to excessive sound pressure levels. 48

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Chapter 3. Using external devices
48
Switch between headphone and SPDIF
1
Right-click the Sound icon at the bottom-right corner of the task bar
and select
Playback Devices
from the popup menu.
2
When all players are turned off, select
Speakers
(headphone) or
SPDIF Interface
and click
Set Default
button.
3
Click the
OK
button to save the settings.
Warning:
Listening to music at high volume over extended periods of time may
damage your hearing.
Excessive use of headphones or earphones for a long period of time at high
volume can be dangerous if the output of the headphones or earphone
connectors do not comply with specifications of EN 50332-2. The
headphone output connector of your computer complies with EN 50332-2
Sub clause 7. This specification limits the computer's maximum wide band
true RMS output voltage to 150 mV. To help protect against hearing loss,
ensure that the headphones or earphones you use also comply with EN
50332-2 (Clause 7 limits) for a wide band characteristic voltage of 75 mV.
Using headphones that do not comply with EN 50332-2 can be dangerous
due to excessive sound pressure levels.
³