On Fri, Jun 29, 2012 at 6:57 PM, Phil Smith III <[email protected]> wrote:

> Since I couldn't send pics to the list, here are three links. The first
> one shows the key layout. There's also a strange square plug to the left of
> the fingerprint reader that I wonder about.
>
>
> http://www.lenovo.com/shop/WW/products/splitter/notebooks/ThinkPad/T-Series/gallery/ThinkPad-T530-Laptop-PC-Overhead-Keyboard-View-4L-940x475.jpg


That's the color sensor for calibrating the display. Pretty cool to have it
built in like that, but personally I prefer an external color sensor. That
way I can calibrate external monitors and other machines so they all have
accurate color. (I'm using the X-Rite i1.)

-Mike
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