cglaeser 0 Posted December 12, 2010 The CNB MIR3000 has an EXT / AUTO switch that configures the illuminator to turn on/off based on an external control or a dusk-to-dawn light detector. The switch is located inside the head assembly, and the head assembly is attached securely with several screws. There is a sticker on the head assembly that says, "DO NOT OPEN". How do you toggle the switch between EXT / AUTO without opening it? Best, Christopher Share this post Link to post Share on other sites
