Posted 1/16/2023 08:50 (#10042705 - in reply to #10041675) Subject: RE: 4640 monitor sf2 unlock?
NESD
The 4640 comes from the factory with the AutoTrac Activation in base, it does need to be installed by the dealer before delivery to the customer, the AutoTrac activation works with all levels of accuracy, the accuracy level is set by the activation in the receiver.