What are the folders AC, LkMaster, SI on my ZeroLine Map Cards?
These files are critical to the process for creating maps. Do not delete the LkMaster folder from your ZeroLine Map Card. There is a $19.95 fee to cover shipping, handling and maintenance to rewrite these files in the event of user error. If you have need to send us your card to be reprogrammed, please click the following link to contact us.