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| L-1011 Trainer - Instrument Lighting Bus |
Most of the L-1011 instrument panels have both backlit light plates that illuminate the panel legend as well as integral lighted instruments. Since the panel background and the instrument can be brightness controlled independently there are a number of lighting buses for various sections of the L-1011 cockpit. Building out the lighting buses for both the instruments as well as the light plates is part of the AC/DC system build out that we are currently doing at the museum.
The image below shows the 5V instrument lighting bus for the F/O console. The other images on the page show a number of instruments connected to the bus for testing purposes.
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| L-1011 Trainer - Instrument Lighting Bus |
On the actual L-1011 all instrument lighting is done with 5VAC circuits, however, for the simulator I will be using 5VDC. Below is an image of the three engine fuel quantity used indicators that I sowed you a few postings ago. The indicators are now installed into the cockpit and illuminated.
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| L-1011 Trainer - Instrument Lighting Bus |
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