On Fri, Oct 23, 2015 at 10:45 AM, Marko Peussa <[email protected]>
wrote:

> User interface design for small screens is a big topic. Especially for
> text screens. Unfortunately, I haven't seen much material on it.
>
> In factory automation one has to deal with screens a lot smaller than
> 8x40. And the available keys are usually: four directional buttons, an 'OK'
> and and 'ESC'.
>

Indeed.  I had to make improvements and additions to an automation system
with a 4x20 display and only 3 pushbuttons.  The company still contacts me
ocassionally for minor changes / upgrades to the firmware.

Ron, in your original post regarding the preferred method of reporting for
the unit of measure, were you posing the questions as simple examples of
the design decisions that must be made, or were you looking for feedback
from the group regarding the approach you should implement?

Ken

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