Lenovo G530 Lenovo 3000 G430-G530 UserGuide V3.0 - Page 41

Connecting an External Microphone

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Chapter 3. Using External Devices 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. Connecting an External Microphone Your computer comes with an external microphone jack for connecting an external microphone. 33

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Chapter 3. Using External Devices
33
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.
Connecting an External Microphone
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Your computer comes with an external microphone jack for connecting an
external microphone.