Posts tagged ‘upd1990’

Keithley 706 RTC Upgrade – How to Make Any Clock More Accurate

The builtin real-time clock (RTC) in my Keithley 706 works rather nicely as a clock in my lab when the scanner is not in use. The 7-segment displays are big and clear and they are two dedicated displays for the seconds which comes in quite handy. However the main drawback of this auxiliary clock functionality is that, well, it is not very accurate. It is rather annoying when I need to adjust the clock every couple of days to make sure it remains correct. Continue reading ‘Keithley 706 RTC Upgrade – How to Make Any Clock More Accurate’ »