what is the small board in the vantage pro
my dc volt meter wont go to zero it is stuck on -8.67 volts and keeps coming up with errors
71 yrs old retired and cant afford to get another scope
any help please
thank you for your time
my dc volt meter wont go to zero it is stuck on -8.67 volts and keeps coming up with errors
71 yrs old retired and cant afford to get another scope
any help please
thank you for your time