Chapter 2: Installation 7Check Before Going to Sea• Always check the installation before going to sea to make sure that itis not affected by radio transmissions, engine starting etc..• In some installations, it may not be possible to prevent the equipmentfrom being affected by external influences. In general this will notdamage the equipment but can lead to it resetting, or momentarilymay result in faulty operation.Servicing and Safety• Raymarine equipment should be serviced only by authorised Raymarineservice engineers. They will ensure that service procedures andreplacement parts used will not affect performance. There are nouser serviceable parts in any Raymarine product.• Some products generate high voltages, and so never handle thecables/connectors when power is being supplied to the equipment.• Always report any EMC related problem to your nearest Raymarinedealer. We will use any such information to improve our qualitystandards.2.3 Packing ListYour RayData display should be supplied with the following:• Power lead• SeaTalk daisy-loom plug to plug cable• NMEA cable assembly, consisting of one 39in (1 metre) cable plustwo female lug connectors• Sun cover• Thumb studs (4)• Thumb screws (4)• This handbook• RayData Quick Reference CardSome packing options also include depth and speed transducers, asdescribed in the following section.In addition, an optional trunnion mount kit is available.