Beyonwiz DP-S1 - Manual (Page 104)

Advanced Setup
94
1-2. OSD
1) Help Box Display
You can hide the help box which is displayed with the service list. If you
set this option as “Hide”, the help box does not appear when you press
the LIST button.
2) Transparency
You can set the transparency of the OSD. Please press the OK button to
display the options of the transparency. After selecting an option with
the UP and DOWN buttons, please press the OK button to set the
change.