Prijector PR-N101+ User Manual page 9

3.5 Sound
3.5.1 Volumes
Increase or decrease sound volumes
3.5.2 Touch Sounds
If enable Touch sound, sound will be heard while move remote controller.
3.6 Display
3.6.1 Auto Brightness
Auto set brightness to save power
3.6.2 Font size
Change the font size of OSD
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