I notice the backlight is on all the time when the unit is on 12v. Pretty
good idea. I wonder if I put batteries in it if it would only show the
backlight when it has external 12v? Anyone?

-- Gnarlie

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the backlight only works under 12 volt power.  i had hoped for more from
this unit and i am a bit disappointed.  the tilt of the read out lets
light shine right into the display making it hard to read.  my old unit
has a reset button that i really like this one does not.  back to the
store it shall go.

jonathan