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| L-1011 COM Radio Power-Up |
After almost a month away from the L-1011, due to work constraints and other museum projects, it is finally time to get back into it. Today we powered up the first few elements of the aft electronics panel on located just aft of the throttle quadrant. To be exact, we powered up the 3 VHF/HF COM radio combinations.
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| L-1011 COM Radio Without Backlight |
The radio faces operate of 3 difference 24VDC sources. The VHF1 radio receives power from the BATTERY bus, the VHF 2 radio uses the GROUND SERVICE bus and the VHF3 radio receives power from the NO.2 RADIO BUS. I have extensively blogged about these Gables Engineering devices before and you can find more info on them when you search for Gables Radio Heads here on the blog.
Below is an image of the radio face under low light conditions with back plate and display illumination.
These radio faces are ARINC 429 devices and will be controlled by ARINC 429 interface.
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| L-1011 COM Radio With Backlight |
These radio faces are ARINC 429 devices and will be controlled by ARINC 429 interface.
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