== SDC5 Detector gain == - **Phase** : Any - **Status** : Draft - **Category** : Daytime calibration (C3) - **Recurrence** : once every month starting from commissioning. - **Duration** : 20 minutes **Description** - Monitor detector gain factor, RON, and non-linearity over time. **Prerequisites** - Instrument and dome closed **Procedure** - This calibration is performed by reading the detector without any light illumination i.e. using an opaque position during 600s. - Continuous extended source in the calibration; various ND; various integration times. CI in B_H. **Templates** - SHARKNIR_di_mon_DetectorGain (not released) **Success criteria** - 5% expected accuracy. **Notes** - Same as activity 9.2 in AD4 **LBTO support** **Date performed and by whom**