LG 32HQ713D-B 31.5" 8MP 4K Diagnostic Monitor - Manual (Page 37)

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Some features are disabled.
• Are some functions not available when you press the Menu button?
- The OSD is locked. Disable [OSD Lock] in [General].
No sound from the headphone port.
• Are images displayed without sound?
- Make sure that the headphone port connections are made properly.
- Try increasing the volume with the joystick.
- Set the audio output of the PC to the monitor you are using. (The settings may differ depending on the
operating system (OS) you use.)