User manual EAGLE FISHMARK 500C Operation Instruction

[. . . ] 988-0156-031 www. eaglesonar. com Fish-Finding & Depth-Sounding Sonars Installation and Operation Instructions Copyright © 2004 LEI-Eagle All rights reserved. Eagle® is a registered trademark of LEI FishMark® and SeaFinder® are registered trademarks of LEI Eagle Electronics may find it necessary to change or end our policies, regulations, and special offers at any time. We reserve the right to do so without notice. All features and specifications subject to change without notice. [. . . ] Press or to pick a different sensitivity setting. When it's set at the desired level, press EXIT. Important Tip: While you are experimenting and learning, it's possible to scramble the settings so that the sonar picture disappears from your screen. If that happens, remember that it's easy to switch back to full automatic operation by simply restoring the factory auto settings. To Restore Factory Settings 1. Press MENU|MENU| to RESET OPTIONS|ENT. 2. The unit asks if you want to reset all the options. All options are reset, and the unit reverts back to the Full Sonar Chart. Full Sonar Chart You may have noticed in the quick reference that we used fish arches in full sonar chart mode for our example, and not the popular Fish I. D. is an easier way for a sonar novice to recognize a fishy signal return when he sees it. However, locating fish by symbol only has some limitations. Your sonar unit's microprocessor is remarkably powerful, but it can be fooled. Some of the echoes calculated to be fish could be tree limbs or turtles!To see what's under your boat in maximum detail, we recommend you turn off Fish I. D. and begin learning to interpret fish arches. is most handy when you're in another part of the boat or performing some task that prevents you from watching the sonar screen. When that lunker swims under your boat, you'll hear it!can also be useful when you want to screen out some of the sonar detail gathered by your unit. For example, in one case fisherman in San Francisco Bay saw clouds of clutter in the water but no fish arches. When a down rigger was pulled up, it brought up several small jellyfish. The fisherman switched their sonar to Fish I. D. , which screened out the schools of jellyfish and clearly showed the game fish there as fish symbols. Other Free Training Aids The sonar options section discusses Fish I. D. , fish alarms and other features in greater detail. If you or a friend has Internet access, you can also learn more about interpreting what you see on your sonar screen. Be sure to check out the free Sonar Tutorial, which includes animated illustrations and more pictures of actual sonar returns, all described in detail. [. . . ] Before any product can be returned, you must call customer service to determine if a return is necessary. Many times, customer service can resolve your problem over the phone without sending your product to the factory. To call us, use the following toll-free number: 800-661-3983 905-629-1614 (not toll-free) 8 a. m. Eastern Standard Time, M-F . . . outside Canada and the USA: If you have technical, return or repair questions, contact the dealer in the country where you purchased your unit. [. . . ]