User manual HUMMINBIRD PIRANHAMAX15

[. . . ] Your Humminbird® is designed for trouble-free use in even the harshest marine environment. In the unlikely event that your Humminbird® does require repairs, we offer an exclusive Service Policyfree of charge during the first year after purchase, and available at a reasonable rate after the one-year period. For complete details, see the separate warranty card included with your unit. We encourage you to read this operations manual carefully in order to get full benefit from all the features and applications of your Humminbird® product. [. . . ] NOTE: Hollow fish symbols are only available on 200/83 kHz Dual Beam sonar units. There are no user-serviceable parts inside, and special tools and techniques are required for assembly to ensure the waterproof integrity of the housing. Repairs should be performed only by authorized Humminbird technicians. Many requests for repair received by Humminbird involve units that do not actually need repair. These units are returned "no problem found. " If you have a problem with your PiranhaMax, use the following troubleshooting guide before calling the Customer Resource Center or sending your unit in for repair. The PiranhaMax will not operate on input voltages below 10 VDC. You are seeing noise or interference caused by one of several sources. noise can be caused by electronic devices. Turn off any nearby electronics and see if the problem goes away. noise can also be caused by the engine. If engine noise is causing the interference, the problem will intensify at higher RPMs. Increase the engine speed with the boat stationary to isolate this cause. Propeller cavitation can also appear as noise on the display. If the transducer is mounted too close to the propeller, the turbulence generated can interfere with the sonar signal. Make sure that the transducer is mounted at least 15" (380 mm) from the propeller. Make sure that the SetUp menu is selected, then press the POWER-MENU key until BOTTOM VIEW appears. Bottom View selects the method used to represent the bottom and structure on the display. Structure ID® represents weak returns as light pixels and strong returns as dark pixels. This has the benefit of ensuring that strong returns will be clearly visible on the display. Select a setting from 1-5 to increase or decrease the chart speed, where 1 is the slowest and 5 is the fastest chart speed. Chart speed determines the speed at which the sonar information moves across the display, and consequently the amount of detail shown. [. . . ] If you have any questions, contact our Central Standard Time): 800-633-1468 By e-mail (typically we respond to your e-mail within three business days): custserv@johnsonoutdoors. A simple menu system allows you to access your PiranhaMax's adjustable settings. When a menu setting is on the display, use the RIGHT and LEFT Arrow keys to adjust the menu setting. Menus settings are removed from the screen automatically after several seconds. [. . . ]