Changes
/* 2.2 Setting prism position & determining wavelength range */
4) Check and note down the prism position in the “Prism” status box at the bottom of the QUARTZ window.
5) Take a [[fibreflat|fibre flat]]
6) By taking an arc (follow steps 1-2 in Section 3.3), check the resulting orders are correct (see section on reductions software) and spectrograph focus is good (see Section 5).
=='''Calibrations'''==
