29.1 Service and maintenanceThis product contains no user serviceablecomponents. Please refer all maintenanceand repair to authorized Raymarine dealers.Unauthorized repair may affect your warranty.Routine equipment checksRaymarine strongly recommends that you completea number of routine checks to ensure the correct andreliable operation of your equipment.Complete the following checks on a regular basis:• Examine all cables for signs of damage or wearand tear.• Check that all cables are securely connected.29.2 Product cleaningBest cleaning practices.When cleaning products:• If your product includes a display screen, do NOTwipe the screen with a dry cloth, as this couldscratch the screen coating.• Do NOT use abrasive, or acid or ammonia basedproducts.• Do NOT use a jet wash.Cleaning the display caseThe display unit is a sealed unit and does not requireregular cleaning. If it is necessary to clean the unit,follow this basic procedure:1. Switch off the power to the display.2. Wipe the display with a clean, soft cloth (amicrofibre cloth is ideal).3. If necessary, use a mild detergent to removegrease marks.Note: Do NOT use solvents or detergents on thescreen itself.Note: In certain conditions, condensation mayappear inside the display screen. This will notharm the unit, and can be cleared by powering onthe display for a short time.Cleaning the display screenA coating is applied to the display screen. Thismakes it water repellent, and prevents glare. Toavoid damaging this coating, follow this procedure:1. Switch off the power to the display.2. Rinse the screen with fresh water to remove alldirt particles and salt deposits.3. Allow the screen to dry naturally.4. If any smears remain, very gently wipe the screenwith a clean microfibre cleaning cloth (availablefrom an opticians).Cleaning the sun coverThe supplied sun cover features an adhesive surface.In certain conditions unwanted contaminants maystick to this surface. To avoid damaging the monitordisplay, clean the sun cover regularly following thisprocedure:1. Carefully remove the sun cover from the display.2. Rinse the sun cover with fresh water to removeall dirt particles and salt deposits.3. Allow the sun cover to dry naturally.392 gS Series
