Nixie Clock Instructions
All operations must be done in sequence

Press MODE. The blinking light will become constant
Press SET to change hour (in 24hr time)
Press MODE to switch to minutes
Press MODE to switch to seconds
Press MODE to configure backlight
1 = backlight ON 0 = backlight OFF
Press MODE to switch to year
Press MODE to switch to month
Press MODE to switch to day
Press MODE to configure showing date
1 = show date ON 0 = show date OFF
Press MODE to configure 12hr vs 24hr
Press MODE to exit setup
Press SET at anytime to show the date