Hopefully Don will forgive me for the creative licence I’ve taken in bastardising on the title of his book, but it seemed quite fitting given my recent experience with my Ryobi impact drill.
Basically what we’re talking about here is a standard, off-the-shelf drill with two operating modes: Drill mode and Impact/Hammer mode
Without getting into the detail of why you need two drill modes, the point remains that the drill itself contains a switch to flick between both modes.
So the question is – which way do you need to flick the switch in order to engage hammer mode? Do you flick it right so that you can see the Hammer glyph, or do you flick it to the left so that the Hammer is covered up?
I asked a number of people this question, and interestingly NOBODY got the answer right. If you answered “flick it to the left so that the Hammer is covered up” then you got it WRONG. The switch actually needs to be flicked to the right. I cant explain why it was done like this and it seems completely counter-intuitive to me. There are much better ways of representing this modal change – the most obvious being if the glyphs themselves were shown on the side of the switch rather than at the bottom, and they swapped positions. This means the switch is then used to “engage” a particular mode, and the ambiguity is now removed by having to physically move the switch closer to the appropriate glyph.
So in the course of typing this blog-post, I thought about giving Ryobi a chance to respond and sent them a brief description of the problem and my proposed solution. Sadly I haven’t heard back from them. Shows how much they care about customer feedback in general. Ryobi fail.
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