7.1 GPS Check.......................................................... 987.2 Radar check ........................................................ 987.3 Sonar check ........................................................ 997.4 Thermal camera setup and checks...................... 101Chapter 8 Maintaining your display................. 1038.1 Service and maintenance ................................... 1048.2 Product cleaning................................................ 104Chapter 9 Troubleshooting............................... 1059.1 Troubleshooting................................................. 1069.2 Power up troubleshooting................................... 1079.3 Radar troubleshooting........................................ 1089.4 GPS troubleshooting .......................................... 1099.5 Sonar troubleshooting .........................................1109.6 Sonar crosstalk interference ................................1139.7 Thermal camera troubleshooting..........................1159.8 System data troubleshooting................................1179.9 Video troubleshooting..........................................1189.10 Wi-Fi troubleshooting.........................................1199.11 Bluetooth troubleshooting.................................. 1209.12 Touchscreen troubleshooting ............................ 1219.13 Touchscreen alignment..................................... 1229.14 Miscellaneous troubleshooting .......................... 123Chapter 10 Technical specification.................. 12510.1 a Series........................................................... 12610.2 c and e Series.................................................. 130Chapter 11 Technical support .......................... 13511.1 Raymarine customer support............................. 13611.2 Learning resources........................................... 13611.3 Third-party support ........................................... 137Chapter 12 Spares and accessories................ 13912.1 a Series spares................................................ 14012.2 c Series and e Series spares ............................ 14012.3 Digital ClearPulse Transducers andaccessories............................................................. 14112.4 DownVisionTM transducers andaccessories............................................................. 14212.5 Network hardware............................................ 14312.6 RayNet to RayNet cables and connectors........... 14412.7 Network cable types......................................... 14712.8 SeaTalkng cabling components.......................... 147Appendix A Connectors and pinouts.............. 149Appendix B NMEA 0183 sentences ................. 151Appendix C NMEA data bridging..................... 152Appendix D NMEA 2000 sentences ................. 1536 a Series / c Series / e Series installation instructions