When you touch the touch screen, the touch tone sounds on the LG unit, and in addition to the volume, the touch tone can be turned off completely.

Android 9 | LG UX 9.0
Touch Sound -  Open the  Settings
Touch Sound -  Tap on  Sound
Touch Sound -  Enable or Disable  Touch sound
  1. Open the Settings
  2. Tap on Sound
  3. Enable or Disable Touch sound

LG Instructions
Loading...

Transmitting...