Changes
74 Inch
,# Check the Hartmann Shutters (A & B) operation (ignore warning – it will disappear after a few seconds).
# Check the rear of slit mirror.
# Change the grating angle.
# Change the slit width.
# Select different filters.
* Do an ARC test exposure:
# Slit width 1.5” (slit setting 10).
# In the Main View tab, panel 2 (Fig. 10) check which grating is currently mounted and set the corresponding grating angle as per table 1:
The following three items are operated from the Main View tab, Panel 2 (Fig. 10). Select a value/number and click “Go”:
8.
a.
b.
Table 1: Suitable grating angle for a reasonable ARC exposure
Grating Number Angle