| Good point GLOC,
I have not done this much more than you (about 5 times) but I have thought about this a bit.
In my opinion your method is the best, ie. the spool guy to use others as depth reference. I have thought of 2 other methods: having a long duration backlight on your BT/computer (if there is a backlight) or clipping off the mainlight from the back of the back of the light head, light on, pointing down and ocasionally moving the electroluminescent BT on your wrist under it. But IMHO team work is best here, as usually!
Aleksi |