lumen number setting

cablesmasher5_2bf741c468

My lumen setting is at the default of 1500. I get that! But everytime I try to change the setting, it goes back to 1500. I never had an issue with this until recently, and I can't specifically remember what I may have changed to prevent the lumen number setting from being able to change.

HELP.

ED

felis

Check that you haven't lock the value,  i.e. that the padlock icon looks locked. If so click it to unlock.