Changing the Dose Timer on Compak Coffee Grinders

[@ezamardana9666]

We just change grinder to Compak F8 series but we can't change the dose time. Do you have solution?

[@ВалентинБабак]

how did you solve the problem?

[@محمدخالد-ت2و5ج]

How I can save Setting ? Because if I turn it off , the settings will not work like before. !

[@ВалентинБабак]

how did you solve the problem?

[@alexmorris8613]

You beed a new battery behind the screen to hold and save your settings when powered off