
Originally Posted by
humminbird_greg
they can be interlinked but you will have to watch what software versions you are running in each unit to do so. They need to be running the same level of software but not the same actual software number… they both need to be running the same starting number for the software version. Example: 997c si running 6.300 and 958c di running 6.420. Both are running a six level of software.