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If you design a multi-function alarm clock that has complicated software ...
First, you test the software ...
Then you put in a reset switch just in case it goes wrong.
You do NOT put in a recessed reset switch that does not actually work.
You certainly do NOT put in a recessed reset switch that, far from actually resetting the device, makes it go crazy and make random sickening beeping noises while flashing the LCD on and off in random psychedelic sequence. No button turns this off, nor does hitting the device on the table.
You do NOT put a weird screw on the back that is impossible to open without finding one of those microscopic philips heads for fixing spectacles. Until you find one there is no way to stop the alarm clock from making noises comparable to scraping fingernails over a blackboard, only worse.
You do NOT make the only option for resetting the reset switch to open that screw and remove the battery.
You do NOT make the battery mount so poor that the moment you start to screw the battery screw back in, the battery loses its connection and the whole thing switches off. When you open it again to see what happened, the battery falls out and disappears down the radiator somewhere.
The moral of this story is: do not bother with freebie gifts from the 54th ICASM, Bangalore, India, 2006.
Why did I post that? I felt like grumbling. 
David
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