Talked with a senior guy at work and it changed how I see these new digital panels

Last week at the hangar in Orlando, this old-timer named Dave showed me how he used to troubleshoot Collins analog radios with nothing but a multimeter and a schematic. He said the new Garmin G3000 boxes are faster but you lose the feel for what the system is actually doing. It hit different because I've been leaning hard on factory diagnostic software and skipping the fundamentals. Anyone else feel like we rely too much on plug-and-play testers instead of understanding the actual signal path?

2 comments

2 Comments

valwest9d ago

Oh man that Dave sounds like a real goldmine of knowledge! I read somewhere that the old Collins radios had these beautiful analog circuits where you could literally watch the voltage change as you tuned a channel. These new glass cockpits are amazing but they hide all that stuff behind layers of software. I heard a guy say that the G3000 is basically a Linux computer with some fancy screens and that kind of freaked me out a bit. Knowing how to jump a relay or trace a bad ground with a meter is something you just can't get from plugging in a diagnostic tablet.

ninas709d ago

I mean, is it really that big of a deal? I've been turning wrenches for 25 years now and I see younger guys using those tablets all the time. They get the job done just fine. Sure, knowing how to chase a voltage drop with a meter is a nice skill, but the diagnostic software tells you exactly what pin to check and what value you should see. It's not like they're just guessing. Dave probably had to learn that stuff because he had no other choice, but we have better tools now.

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