I fabricated an annunciator panel to be positioned over the MFD. Five annunciator lights are contained in the panel. Master Warning and Master Caution which are driven by the G3X MFD. Oil Pressure, which is driven by an independent oil pressure sensor. Alternator Fail, which is a signal coming from the Plane Power alternator which shows loss of output. Door Ajar, which is fed by 5 microswitches through a 12 VDC relay signaling in each of the main doors that both pins are fully engaged, and that the baggage door is closed and locked. In addition to the Lamp Test circuit, an AN7808 voltage regulator was used to drop the voltage to the lights to 8 volts. This dimmer circuit is triggered by the Navigation light switch.
It should be noted that the oil pressure light is redundant to the oil pressure sensor and warning contained in the G3X system. The Alternator light is independent of the Vertical Power Management system alternator monitoring. The door ajar light is redundant to the G3X annunciation system.
