• 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. • 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.
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• 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. • 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.
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• 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.
TheWorld's Greatest Sonars
Ask any commercial fisherman their most important piece of electronics and their Furuno Sonar will be the first thing to cross their lips. Whether you are looking for hard to find individual tuna, schools of sardines, collision avoidance or a host of other uses, a Furuno Sonar is the single best solution for your needs.
Furuno's award-winning Sonars are used in commercial fishing operations around the globe and can been seen catching fish on both working fisheries boats and sport fishing battlewagons. When looking for a sonar to make you more efficient and productive, there is only one choice. Demand the best, demand Furuno!
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CH500/180/12/250/6
180kHz Sonar System with 6' Soundome and 12.1' Display. Includes 250MM Travel Hoist and operates at 12VDC.
CH500/60/12/250
60kHz Sonar System with 8' Soundome and 12.1' Display. Includes 250MM Travel Hoist and operates at 12VDC
CH600BBH/12/400
85/215kHz Black Box Sonar System with 8' Soundome. Includes 400MM Travel Hoist and operates at 12VDC.
CSH5LMK2
Black Box Full-Circle Scanning Sonar, 55 kHz
CSH8LMK2
Black Box Full-Circle Scanning Sonar, 85kHz
FSV25
Full-Circle Color Scanning Sonar, 20 kHz
FSV35
Black Box Omni Sonar, 30KHZ
FSV85
Black Box Omni Sonar, 80KHZ
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What is a sonar?
Sonar Fish Finder
Sonar is a device for finding objects underwater using sound waves. For the purpose of fishing, sonar is defined as a device that can search both horizontally and vertically while a fish finder can search only vertically underneath the own ship.
Sonars transmit ultrasonic waves into the water below and receive the returning echoes from the seabed. Anything that gets hit by these ultrasonic waves will give a returning echo that shows up on the sonar display. The device that emits the ultrasonic waves is called the transducer.
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To locate fish schools, Sonar shows a radar-like image of the surroundings of the ship. This image stretches from left to right and back and forth, showing the distribution and density of fish schools if present.
Purse seiners and trawlers worldwide rely on Sonar on a daily basis to get their catch.
How sonar works - Searchlight Sonar
There are two types of Sonar: Searchlight Sonar and Scanning Sonar.
Searchlight Sonar works by transmitting a single ultrasonic beam that is 6 degrees wide. The Sonar will then rotate a further 6 degrees and repeat the process. In this way, Searchlight Sonar can search a wide area sequentially. High frequency ultrasonic waves take a comparatively long time travelling through the water, and this can limit the search speed. Due to the narrow beam transmitted, sometimes the Sonar will not display the surroundings properly while the boat is in motion.
The principles of a Searchlight Sonar
A Searchlight Sonar creates images of the water below much like how an airplane would take pictures of the earth below. The ultrasonic waves transmitted by the transducer below the ship turns around continuously like a searchlight, hence its name. The transducer transmits ultrasonic waves into the water, then immediately switches into a receiving mode. After receiving the returning echo from the seabed the transducer turns to the left or right and transmits a new burst of ultrasonic waves. This is the cyclic operation of a Searchlight Sonar.
How sonar works - Scanning Sonar
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Scanning Sonar can search 360 degrees around the vessel in an instant. Due to the wide beam, no dead zones (zones that will not get displayed properly due to narrow beam width) will appear in the horizontal direction. Since the Scanning Sonar searches 360 degrees around the ship, the same fish school can be identified multiple times. Based on the information received by the Sonar it is also possible to estimate where the fish school is heading, and at what speed.
Scanning Sonar can display information 'full circle' at 360 degrees, or 'semi-circle' at 180 degrees at a time.
Sector scanning has a scan area of 90 degrees or 45 degrees at a time. Sector scanning works much like Searchlight Sonar, except that the beam width is much wider.
The principles of a Scanning Sonar
The transducer on a Scanning Sonar consists of roughly 1000 oscillators. These oscillators are arrayed in vertical and horizontal grids so that searches can be made in any direction. All of these oscillators operate simultaneously, alternating between transmitting ultrasonic waves and receiving returning echoes from the seabed. Since the oscillators are placed in a solid array it is possible to determine both the distance and direction to the fish schools found below in the water.
The way the Scanning Sonar determines the direction of the returning echoes is by having the array of oscillators timer controlled to turn on and off sequentially.
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For more information about sonars visit our basics of sonar page.
What Furuno dealers are saying about the CSH8L MK2 Omni Sonar
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It's a game-changer. The biggest advantage of the CSH8L MK2 is how quickly it paints. You're not just looking at the water column, but you are actively hunting individual fish. If you're fishing against one of these boats who have this machine and you don't, you have a very serious disadvantage. They have one up on you. Todd T. - AME