Chapter 1: Before you begin 31.4 Product documentsThe following documents are available from www.raymarine.com/handbooks tohelp you install and operate an autopilot system based around the SPX SmartPilot:To the best of our knowledge, the information in the product documents was correctwhen they went to press. However, Raymarine cannot accept liability for anyinaccuracies or omissions in product documents.In addition, our policy of continuous product improvement may change specificationswithout notice. Therefore, Raymarine cannot accept liability for any differencesbetween the product and the accompanying documents.Document Part numberSPX System Installation Guide (this document).Professional installers should use this guide to ensuresafe and effective set up of an SPX SmartPilot system.87072-1SPX System Commissioning Instructions. Followinginstallation, this document, which is supplied with yourautopilot controller, must be used to commission yourautopilot system before it can be used safely.81287-1SeaTalk ng Reference Manual. This provides detailedinformation regarding SeaTalk ng connectivity.81300-1SPX service / repair manualAutopilot Operating Guide. Supplied with the ST70autopilot controller.81289-1Product installation guides. Separate installationsheets are provided with individual components of theautopilot system including the compass, rudder refer-ence sensor, controller and drive