• NOTE: The illustrations in this manual may not look the same as your product, but your unit will function in the same way. NOTE: To purchase accessories for your control head, visit our Web site at humminbird.com or contact Customer Service at 1-800-633-1468. • Council of 27 January 2003 on the restriction of the use of certain hazardous substances in electrical and electronic equipment. Down Imaging®, DualBeam PLUS™, Fish ID+™, HELIX™, HumminbirdPC™, Humminbird®, Real Time Sonar™, RTS™, RTS Window™, Structure ID™, SwitchFire®, Total Screen Update™, WhiteLine™, and X-Press™ Menu are trademarked by or registered trademarks of Johnson Outdoors Marine Electronics, Inc. • Note for all Menu Settings..41 User Mode (Normal or Advanced)..42 Sonar X-Press Menu Down Imaging X-Press Menu Flasher X-Press Menu Alarms Menu Tab Sonar Menu Tab Setup Menu Tab Maintenance Troubleshooting HELIX Control Head Measurements Specifications Contact Humminbird.

• NOTE: Entries in this Table of Contents which list (with Speed Input) or (with Temperature Input) may require the purchase of separate accessories. You can visit our Web site at humminbird.com to order these accessories online or contact Humminbird Customer Service at 1-800-633-1468. • HELIX Series Introduction The HELIX Series Fishfinder is available in several different configurations. See the following list of products, all of which are covered by this manual, to find your HELIX Series model: • HELIX SONAR: Wide screen Fishfinder with DualBeam PLUS sonar. • When all the echoes are viewed side by side, an easy to interpret “graph” of the bottom, fish, and structure appears. The sound pulses are transmitted at various frequencies depending on the application. Very high frequencies (455 kHz) are used for greatest definition but the operating depth is limited.

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• DualBeam PLUS Sonar (HELIX SONAR) The HELIX SONAR Fishfinder uses a 200/83 kHz DualBeam PLUS sonar system with a wide (60°) area 20˚ of coverage. DualBeam PLUS sonar has a narrowly 60˚ 200kHz focused 20° center beam, surrounded by a second beam of 60°, expanding your coverage to an area 83kHz equal to your depth. • Whether fishing in shallow or very deep water, selectable dual-frequency is ideal for a variety of conditions. NOTE: Visit our Web site at humminbird.com to determine which accessory transducers are compatible with your Humminbird Fishfinder, or contact Customer Service at 1-800-633-1468.

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• Power On Follow the instructions below to power on your Humminbird control head. HELIX Series Title Screen 1. Press the POWER/LIGHT key. When the Title screen is displayed, press the MENU key to access the Start-Up Options Menu. Select Normal, and press the RIGHT Cursor key. • What’s on the Control Head Your HELIX Series user interface is easy to use.

A combination of keys, different views, and situation-specific, customizable menus allows you to control what you see on the color display. Refer to the following illustration and see Key Functions, Views, and The Menu System for more information.

• Key Functions Your control head consists of a set of easy-to-use keys that work with various on-screen views and menus. POWER/LIGHT Key The POWER/LIGHT key is used to power the Fishfinder on and off. You can also use the POWER/LIGHT key to adjust the backlight and contrast of the display. Power On: Press the POWER/LIGHT key to power on the unit. • MENU Key The MENU key is used to access the menu system. See The Menu System for more information.

Start-Up Options Menu: Press the MENU key during the power up sequence to view the Start-Up Options menu. X-Press Menu: Press the MENU key once in any view to access the X-Press Menu, which provides frequently-used menu settings that correspond with the current view. • EXIT Key The EXIT key has multiple functions, which depend on the situation. • If an alarm is sounding, press the EXIT key to cancel the alarm. • If a menu tab is selected, press the EXIT key to exit the menu mode and return to the view. • What’s on the Sonar Display The Fishfinder can display a variety of useful information about the area under and adjacent to Depth - Water depth can be set to alarm when the water becomes too shallow. Timer - Elapsed time with Speed accessory or GPS receiver Distance - Distance traveled with Speed accessory or GPS receiver Average Speed - Average speed reading with Speed accessory or GPS receiver What’s on the Sonar Display.

• your boat, including the following items: Thermoclines - Layers of water with different temperatures that appear at different depths and different times of the year. A thermocline typically appears as a continuous band of many colors moving across the display at the same depth. Sonar Color Bar - Color spectrum indicating low to high sonar intensity returns, where red indicates high intensity and white indicates low intensity. • Understanding the Sonar Display It is important to understand the significance of the display. The display does NOT show a literal 3-dimensional representation of what is under the water. Each vertical band of data received by the control head and plotted on the display represents something that was detected by a sonar return at a particular time. • Sonar Colors and Bottom View Sonar Colors: Original Palette As the boat moves, the unit charts the changes in depth on HIGH the display to create a profile of the Bottom Contour.