1. Acquisition - point aperture 1 to target (
3 min)
2. Dark current measurement (16 sec)
3. Scan line at 12 
m, up (40 sec)
4. Scan line at 12 m, down (40 sec)
5. Switch to aperture 3 (10 sec)
6. Dark current measurement (16 sec)
7. Simultaneously scan lines at 10 m and 40 m, up (80 sec)
8. Simultaneously scan lines at 10 m and 40 m, down (80 sec)
9. Dark current measurement (16 sec)
10. Simultaneously scan lines at 10 m and 35 m, up (80 sec)
11. Simultaneously scan lines at 10 m and 35 m, down (80 sec)
12. Internal photometric calibration (20 sec)