I saw an alarm clock like that in a hotel once -- it had a cheap 10 digit keyboard and poorly debounced keys, setting the time was harder than using the backwa

I saw an alarm clock like that in a hotel once -- it had a cheap 10 digit keyboard and poorly debounced keys, setting the time was harder than using the backward/forward button style, because typing "12:00" ended up as "11:11" more often than not, it took many tries and a firm press to get the time set correctly.