Samsung SCC-C7433P Guia Del Usuario página 55

C-LEVEL
It is used to set the levels for the Burst signal and the entire color signal of the video signal.
POSI/NEGA
It is used to output as it is, or mirror the video brightness signal.
EXIT
The EXIT menu is used to return to the MAIN menu.
- QUIT : Ignores the changed information and restores the saved information.
- SAVE : Saves the information of the setting condition of the menu.
- PRESET : Ignores the changed information and restores the initial factory defaults of the menu.