[Jen]

Originally Posted by erick

The trouble is, you just might need the white light, in a hurry - perhaps if being attacked by a mangy wombat (or rabid amateur astrophotographer)! So I don't want to stop it entirely. I might try a bit of blue-tac pushed into the switch track. Enough to impede it so you quickly realise you are trying to switch the white light direction and can reverse direction, but not enough to stop you if you force it.

LOL Eric