Just started flying the MB-339A after the update and cannot figure out how to power or uncage the ADI. In the manual it says the attitude director indicator is powered from the 115 V ac primary bus via the “AHRS” circuit breaker, this breaker is engaged. It also states The “OFF” flag will be in view (for a period of about 1 minute) during warm-up of the vertical gyro and during fast erection, however mine stays off.