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Maximum Number of GRIDs That Can be Installed on a Marine Network
The GRID™ (Garmin Remote Input Device) is a wired remote that can control any of the GPSMAP® 74, GPSMAP® 76xx and GPSMAP® 8xxx series chartplotters.
A maximum of 20 GRIDs can be installed on a network. Each GRID must be paired with a station before it can be used. Multiple GRIDs can be paired with the same station.