Owner's Manual
Page 53
... Class B digital devices FOR HOME OR OFFICE USE. Category II radiocommunication devices comply with the instructions. GPSMAP 76Cx Owner's Manual 47 This equipment generates, uses, and can be made by one of Conformity Hereby, Garmin declares that interference will not occur in a residential installation, and are more stringent than "outdoor" requirements... harmful interference to radio communications if not installed and used in permanent damage to the equipment, and void your warranty and your Garmin product: www.garmin.com/products/gpsmap76cx/. Operation of Conformity.
... Class B digital devices FOR HOME OR OFFICE USE. Category II radiocommunication devices comply with the instructions. GPSMAP 76Cx Owner's Manual 47 This equipment generates, uses, and can be made by one of Conformity Hereby, Garmin declares that interference will not occur in a residential installation, and are more stringent than "outdoor" requirements... harmful interference to radio communications if not installed and used in permanent damage to the equipment, and void your warranty and your Garmin product: www.garmin.com/products/gpsmap76cx/. Operation of Conformity.