Korry annunciators on the Airbus flight deck operate on 5 volts – this voltage allows for bright illumination and good visibility of the korry switches during daytime operations. However, when operating the aircraft at night, the korrys at this intensity can be overwhelming and distracting. With continuous usage the incandescent bulbs can also dissipate a … Continue reading
There are various options to illuminate the flight deck. Vendors have produced solutions which allow you to distribute 5V current over the many panels of the aircraft and also internally dim the integral lighting. Unfortunately not all solutions meet the necessary requirements of a cockpit using OEM panels (incandescent bulbs) – the controller board must … Continue reading
The left Glareshield and center-left Main Instrument Panel (MIP) flood light is powered by the DC Essential Bus. The right Glareshield and center-right MIP flood light is powered by DC1 Norm Bus. A simplified schematic of the pinouts with a relay connected to control correct behaviour: When battery 1 and 2 are operating, essential bus … Continue reading
Flight Control Unit (13VU)Pot control – Integral Lighting: 1, 2 (wiper), 3 Pot control – Vizor Light: 4, 5 (wiper), 6Lighting controlled by Normal Bus Main Instrument Panel (13VU)Right Center Flood: 7 (28 VDC), 9 (GND) [DC1 NORM BUS]Left Center Flood: 8 (28 VDC), 10 (GND) [DC ESS BUS] Left Glare Lighting (Captain) 131VULeft Flood … Continue reading
There was initially some difficulty adapting the FDS dimmer board for use with genuine Airbus pots. The Airbus pots were higher rated and connecting directly to the board would limit the range of the backlight – when the pot was at its minimum the backlight on panels would still be on. The original solution substituted the … Continue reading
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