== P3.3 SOUL-AO verification == • **Phase** : 3 • **Status** : Draft • **Category** : Nighttime testing (functionality and operability) (C5) + Nighttime testing for performance (C7) • **Recurrence** : after instrument installation at telescope platform • **Duration** : 1 night **Description** • Proper working and tuning of the SOUL-AO parameters are verified. If any minor adjustments are required, they are either implemented immediately or marked for later daytime work. Also for various stars of different magnitudes, the SOUL AO performance is verified. **Prerequisites** * Activities [wiki:/docs/CommissioningPlan/P1.12 P1.12] and [wiki:/docs/CommissioningPlan/P2.5 P2.5] are successfully completed. **Procedure** • AO verification procedure TBD * AO performance procedure TBS **Success criteria** • SOUL AO system working in tandem with the SHARK-NIR system. • Acceptable improvement of the on-axis PSF for a given seeing and brightness of the star. **Notes** **LBTO support** * AO Support **Associated SHARK-NIR personnel** **Date performed and by whom**