General Precautions for Observation ....................................................................................................................... 8
Turning the Power Supply Unit On............................................................................................................................. 11
5
Centering the Field Iris Diaphragm .......................................................................................................................... 12
6
Centering the Aperture Iris Diaphragm .............................................................................................................. 13
7
Centering the Mercury Burner ................................................................................................................................ 14-15
8
Mounting the ND Filters ............................................................................................................................................................ 15