1. Press the "Power" button on the back of the monitor. (The following "power" key action, all refers to this key.) ）
2. There are 5 small icons appearing at the bottom right of the screen.
3. Move the "power supply" key up.
4. Move the cursor to the location of the menu, press the "Power" button.
5. Toggle the "power" button up or down, move the cursor to "system", press "power" key.
6. Toggle the "power" button up or down, move the cursor to "sound" and press "power" button.
7. Toggle the "power" button up or down, move the cursor to "volume", Press "power" button.
8. Toggle the "power" key to the left or right, and adjust the volume size.
Warm tips:
When the monitor is connected to headphones without sound, it is recommended that you:
1. Verify that you are using the HDMI mode connection.
2. Adjust the computer host's sound device to the display option.
3. Reconnect the headset and check the headset for normal.
4. Adjust the monitor volume.
