R5 SOLID AIS SystemTROUBLESHOOTING7000 118-200, C2 Page 63If the ship is close to a harbour or shore with high structures or traveling in an area withhigh terrain, the GPS reception might be lowered. The GPS antenna must be installedwhere it has a clear view of the sky. The objective is to see the horizon freely through360 degrees with a vertical observation of 5 to 90 degrees above the horizon.The GPS antenna cable should also be as short as possible and with 50 Ω impedance.A very long antenna cable or faulty impedance can heavily reduce the GPS reception.7.7 Contacting SupportThe primary source for support and RMA issues should for end customers be the localdealer where the equipment was purchased in the first place. Another option is to contactone of our OEM partners or affiliate service stations and request help. An updated list withour dealers, OEM partners and service stations can be found at our website, listed underthe corresponding product. www.saabgroup.com/transponderIt is also possible to contact Saab TransponderTech’s technical support if this is preferred.We recommend contacting us via email at support.transpondetech@saabgroup.com formost accurate and detailed help. If the situation is very urgent then it is of course alsopossible to call us at normal Swedish workdays and working hours (UTC +1h/+2h).Telephone +46-13-189420.Before contacting support, always check the following information and include it in the firstemail, or have it ready at the phone call:- All the information provided by the SW/HW Info view which can be accessed fromMain MenuStatusSW/HW Info.- Detailed fault description7.8 Indication MessagesThe indication messages, with identity and type information, are listed below:ID Type Message text021 Status External DGNSS in use022 Status External GNSS in use023 Status Internal DGNSS in use (beacon)024 Status Internal DGNSS in use (msg 17)025 Status Internal GNSS in use027 Status External SOG/COG in use028 Status Internal SOG/COG in use031 Status Heading valid033 Status Rate of Turn Indicator in use034 Status Other ROT source in use036 Event Channel management parameters changed056 Event Channel management zone memory changed061 Status Enter semaphore mode062 Event Leave semaphore mode063 Event NVM Checksum errors064 Event RATDMA overflow066 Status Tanker Low VHF Power Mode067 Status Beacon correction received068 Status VDL correction received (id XXXX)069 Status No correction received