Lenovo LI2821wA User Manual page 12

7. Connect one end of the USB cable to the USB upstream terminal on the back of the
monitor, and connect the other end of the USB cable to an appropriate USB port on your
computer.
Note: The USB port will stay in function as long as the monitor is connected to power,
regardless of whether the monitor is switched on or off.
8. Connect the headphone or microphone.
Note: At the PIP/PBP mode, only main source (Background Screen at PIP mode, Left
Screen at PBP mode) can transfer the audio to the jack.
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Chapter 1.