[time-nuts] E1938 info regarding LEDs, push button switch and EFC voltage notation
azelio.boriani at gmail.com
Thu May 11 18:34:41 EDT 2017
You can find schematics and various info here:
On Thu, May 11, 2017 at 3:47 PM, James Robbins <jsrobbins at earthlink.net> wrote:
> 1. I have just acquired an E1938 and powered it up. It seems to work. I
> see that it has 4 blinking board LEDs (green, red, yellow, yellow) and a
> pushbutton switch at the end of the board opposite to the DB25 connector.
> Can anyone point me to either the schematic for the board or what these LEDs
> and pushbutton show or do?
> 2. Also, there is an "EFC" voltage ("3.69v") marked in magic marker on top
> of the can. Can anyone point me to where I can learn what, if anything,
> this voltage notation should be used for?
> Many thanks.
> Jim Robbins
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