Caution: Transducer cableDo NOT cut, shorten, splice the transducer cable orremove the connector. If the cable is cut, it cannot berepaired. Cutting the cable will also void the warranty.Caution: Power supply protectionWhen installing this product ensure the power sourceis adequately protected by means of a suitably-ratedfuse or automatic circuit breaker.Caution: Care of chart and memorycardsTo avoid irreparable damage to and / or loss of datafrom chart and memory cards:• Ensure that chart and memory cards are fitted thecorrect way around. DO NOT try to force a card intoposition.• DO NOT save data (waypoints, routes, and so on)to a chart card, as the charts may be overwritten.• DO NOT use a metallic instrument such as ascrewdriver or pliers to insert or remove a chart ormemory card.• Safe removal. Always power the unit off beforeinserting or removing a chart or memory card.Caution: Ensure chart card door issecurely closedTo prevent water ingress and consequent damage tothe display, ensure that the chart card door is firmlyclosed. This can be confirmed by an audible click.Caution: Sun covers• To protect your product against the damagingeffects of ultraviolet (UV) light, always fit the suncovers when the product is not in use.• Remove the sun covers when travelling at highspeed, whether in water or when the vessel is beingtowed.Caution: CleaningWhen cleaning this product:• Do NOT wipe the display screen with a dry cloth, asthis could scratch the screen coating.• Do NOT use abrasive, or acid or ammonia basedproducts.• Do NOT use a jet wash.TFT DisplaysThe colors of the display may seem to vary when viewed againsta colored background or in colored light. This is a perfectly normaleffect that can be seen with all color Thin Film Transistor (TFT)displays.8 e7 / e7D — Installation instructions