== P3.7 Verify the ADC rotation on sky == • **Phase** : 3 • **Status** : Draft • **Category** : Nighttime testing (functionality and operability) (C4) • **Recurrence** : once at commissioning • **Duration** : 4 hours **Description** • Evaluate **Prerequisites** • Atmospheric conditions: photometric. • Authorize SHARK-NIR on the SX side. • Photometric stars as targets for every filter. • AO working. • Target(s) at different Zenith distances? **Procedure** • Check the working of the ADC using different targets in varying zenith distances and observing using different science filters? **Success criteria** • xxx **Notes** **LBTO support** • SOUL-AO support **Associated SHARK-NIR personnel** **Date performed and by whom**