This article is relevant for the ProL1, ProLx and ProLx+ devices.
ProLx and ProLx+
Customize the optical display in either Red or Black for clear and visible distances
in all light and weather conditions. To change between Red and Black, press the
R/B button on the top of the laser
You can customize the yardage display from Red to Black to ensure you can read the display clearly in all settings. To change from Red to Black simply use the switch on the right side of the laser.