30 ST8001+ Smartpilot Controller Operating Guide3.2 General maintenanceRoutine checksCAUTION:The SmartPilot computer and controller do not contain any userserviceable parts. It should be serviced only by authorized Raymarineservice technician.The SmartPilot computer does NOT contain user-serviceable parts. If youremove the main cover you will invalidate the warranty. The controller is alsoa sealed unit. As a result, user maintenance is limited to the following checks• make sure all cable connectors are firmly attached• examine for signs of wear or damage – replace any damaged cablesNote: Do not use chemical or abrasive materials to clean the SmartPilotcomputer. If the case is dirty, wipe it with a clean, damp cloth.Cleaning the displayCAUTION:Take care when cleaning the display. Avoid wiping the display screenwith a dry cloth as this could scratch the screen coating. If necessary,only use a mild detergent.• Never use chemical or abrasive materials to clean the controller. If it isdirty, wipe it with a clean, damp cloth.• In certain conditions, condensation may appear inside the display screen.This will not harm the unit, and you can clear it by switching on the illu-mination for a short time.EMC advice• When powered up, all electrical equipment produces electromagneticfields. These can cause adjacent pieces of electrical equipment to interactwith one another, with a consequent adverse effect on operation.• To minimize these effects and enable you to get the best possible perfor-mance from your Raymarine equipment, guidelines are given in theinstallation instructions, to enable you to ensure minimum interactionbetween different items of equipment, i.e. ensure optimum Electromag-netic Compatibility (EMC).• Always report any EMC-related problems to your nearest Raymarinedealer. We use such information to improve our quality standards.