Adjusting the display contrast can make the display easier to read under certain lighting conditions. And if customers do not prefer hearing a beeping noise when pressing buttons on the facepack they can toggle it off.
Setting the Contrast and Sound
Press the SETTINGS button.
Select CONTROLLER SETTINGS.
Select CONTRAST and SOUND.
Use the UP and DOWN arrows to increase or decrease the display contrast. And press the option button if you wish to turn off the buzzer.
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