114 GPSMAP 198C Sounder Owner’s ManualAPPENDIX > FCC C OMPLIANCEFCC ComplianceThe GPSMAP 198C Sounder complies with Part 15 of the FCCinterference limits for Class B digital devices FOR HOMEOR OFFICE USE. These limits are designed to provide morereasonable protection against harmful interference in a residentialinstallation, and are more stringent than “outdoor” requirements.Operation of this device is subject to the following conditions: (1)This device may not cause harmful interference, and (2) this devicemust accept any interference received, including interference thatmay cause undesired operation.This equipment generates, uses, and can radiate radiofrequency energy and may cause harmful interference to radiocommunications if not installed and used in accordance with theinstructions. However, there is no guarantee that interference willnot occur in a particular installation.If this equipment does cause harmful interference to radio ortelevision reception, which can be determined by turning theequipment off and on, the user is encouraged to try to correct theinterference by one of the following measures:• Reorient or relocate the receiving antenna.• Increase the separation between the equipment and thereceiver.• Connect the equipment into an outlet on a circuit differentfrom that to which the receiver is connected.• Consult the dealer or an experienced radio/TV technicianfor help.The GPSMAP 198C Sounder does not contain any user-serviceableparts. Repairs should only be made by an authorized Garminservice center. Unauthorized repairs or modifications could result inpermanent damage to the equipment, and void your warranty andyour authority to operate this device under Part 15 regulations.