this post was submitted on 16 Jan 2025
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[–] Donjuanme 11 points 3 weeks ago (14 children)

If dial gauges weren't what you chuckleheads grew up with (I'm 38 so I understand the nostalgia) you'd realize they aren't really all that well designed. There's no reason they go as high as they do, especially when they were "capped" at 85, and they display a terrible amount of information for the amount of space they take up.

I dislike many digital dashboards, not because they don't interface well or they don't look good, but because I can't customize them to my own liking. I want my average speed, instantaneous speed, average miles per gallon, instantaneous miles per gallon, range, engine temperature, music track, outside temperature, inside temperature, tire pressure, time, vehicle orientation, all at once. They're normally all available, but hidden in different menus and screens. Put it all out there, I'll learn where to look for the info I want. And let people who desire less info have the ability to set up their dashboard for that as well.

[–] [email protected] 14 points 3 weeks ago (11 children)

A dial gauge can impart certain information that other ways cannot. I can notice a sudden change in movement without looking directly down, or see certain patterns of movement that simple numbers won't. An old example of the loss of that was found in some classic luxury cars (my grandmother had a Cadillac that I noticed it in). The speedometer wasn't a dial, it was an analog bar that would go right to left as your speed increased. It was very hard to judge change of speed by this, much like it's hard to see from a few digital numbers that rapidly change. I've also noticed that even digital dial gauges can suffer from this if their refresh isn't fast enough to simulate an analog accurately.

Doesn't mean you can't get used to a display or find other ways to get the same input, but dials aren't just old nostalgia, they do have advantages. I would bet for some measurements an analog multimeter is preferred over a digital, and vise versa.

[–] spankmonkey 8 points 3 weeks ago (9 children)

Dials and digital displays are like clocks, the position can relay a lot of additional contextual information that doesn't come from a simple number.

[–] hydrospanner 2 points 3 weeks ago (1 children)

Can you give examples?

Both clock and auto?

Because other than time, I'm having a hard time seeing what else a clock is telling you by being analogue.

[–] spankmonkey 2 points 3 weeks ago

You know how the shape or spacing of something can provide information?

An analogue clock makes it easy to glance at and see the difference between two times. If it is at 10 you can instantly know if you have two hours until midnight (or noon) because there are two hour spaces. If it says 10 you have to mentally calculate the two hours. If you want to do something in 15 minutes it is a lot easier to glance ahead the distance on the clock than to calculate 15 minutes from now based on a digital display.

The same thing is true for well designed analogue speedometers and tachometers. On my last car 75 mph was basically noon on the speedometer so I could see if I was going the right speed out of the corner of my eye because the line being vertical doesn't require direct concentration. Same with the tach, I knew where 3500 rpm was to know when to shift when the music was too loud to hear the engine.

Both require some familarity of course. I actually had a pain learning how to read an analogue clock until an uncle explained how he used the spacing and then it clicked. Speedometers vary from car to car, so it takes getting used to a new one.

Both come down to how quickly we can recognize shapes and expected positions of things compared to reading numbers. My current vehicle has a digital speedometer and I hate it because I have to actively read it, can't just glance at it like the old analogue displays.

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