Lenovo THINKPAD W520, Руководство пользователя

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computer, or other device. To pair the
headset, first ensure that it is powered off.
Then, press and hold the power button for
about 6 seconds until the red and blue LED
indicators flash alternately. Enable the
Bluetooth function on the pairing device,
and pair with “Lenovo W520.”
Using the headset
After the headset is paired with a device, it
is ready for your use. You can take the
following operations:
Turn on the headset
Press and hold the Power button for 3
seconds until the blue LED flashes twice.
Turn off the headset
Press and hold the Power button for 4
seconds until the red LED flashes once.
Re-pair after a disconnection
Press the Power button.