GDL 30/30A Owner’s Manual 31FCC ComplianceThe GDL 30/30A complies with Part 15 of the FCC interference limits for ClassB digital devices FOR HOME OR OFFICE USE. These limits are designed toprovide more reasonable 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 devicemay not cause harmful interference, and (2) this device must accept anyinterference received, including interference that may cause undesired operation.This equipment generates, uses, and can radiate radio frequency energy and maycause harmful interference to radio communications if not installed and used inaccordance with the instructions. However, there is no guarantee that interferencewill not occur in a particular installation. If this equipment does cause harmfulinterference to radio or television reception, which can be determined by turningthe equipment off and on, the user is encouraged to try to correct the interferenceby one of the following measures:• Reorient or relocate the receiving antenna.• Increase the separation between the equipment and the receiver.• Connect the equipment into an outlet on a circuit different from that towhich the receiver is connected.• Consult the dealer or an experienced radio/TV technician for help.The GDL 30/30A does not contain any user-serviceable parts. Repairs shouldonly be made by an authorized Garmin service center. Unauthorized repairs ormodifications could result in permanent damage to the equipment, and void yourwarranty and your authority to operate this device under Part 15 regulations.Product Safety and Regulatory InformationThe GPS system is operated by the United States government, which is solelyresponsible for its accuracy and maintenance. The system is subject to changeswhich could affect the accuracy and performance of all GPS equipment. Althoughthe Garmin GDL 30/30A is a precision electronic NAVigation AID (NAVAID),any NAVAID can be misused or misinterpreted and, therefore, become unsafe.The electronic chart is an aid to navigation and is designed to facilitate the use ofauthorized government charts, not replace them. Only official government chartsand notices to mariners contain all information needed for safe navigation. Asalways, the user is responsible for prudent use of this information.Use the GDL 30/30A at your own risk. To reduce the risk of unsafe operation,carefully review and understand all aspects of this Owner’s Manual. If necessary,thoroughly practice operation using the simulator mode prior to actual use.When in actual use, carefully compare indications from the unit to all availablenavigation sources, including the information from other NAVAIDs, visualsightings, and charts. For safety, always resolve any discrepancies beforecontinuing navigation.CautionIT IS THE USER’S RESPONSIBILITY TO USE THIS PRODUCTPRUDENTLY. THIS PRODUCT IS INTENDED TO BE USED ONLY AS ANAVIGATIONAL AID AND MUST NOT BE USED FOR ANY PURPOSEREQUIRING PRECISE MEASUREMENT OF DIRECTION, DISTANCE,LOCATION, OR TOPOGRAPHY.APPENDIX > FCC COMPLIANCE