[Elecraft] K2's internal voltmeter adjustment?

[Sam Morgan]

Sam Morgan wrote:
> I'm still getting to know my new/used K2 #2481
> the voltage reading when I hit display twice says 12.1 volts.
> when I check my external battery voltage
> (with a Sencore digital meter) I get 12.76 volts
> 
> Where in the manual is there a pointer to an adjustment for the internal 
> voltmeter, or is there one?
>
thanks to all who replied off list

mystery solved
protection diode = voltage drop = the missing .66v
-- 
GB & 73's
KA5OAI
Sam Morgan