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531526-1_A - 747c_&_777c2_Man_Eng.qxp 10/2/2006 1:40 AM Page 1
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747c and 777c
747c and 777c
Operations Manual
Operations Manual
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531526-1_A - 747c_&_777c2_Man_Eng.qxp 10/2/2006 1:40 AM Page 2 Thank You! Thank you for choosing Humminbird®, America's #1 name in fishfinders. Humminbird® has built its reputation by designing and manufacturing top- quality, thoroughly reliable marine equipment. 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 Policy - free of charge during the first year
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531526-1_A - 747c_&_777c2_Man_Eng.qxp 10/2/2006 1:40 AM Page 3 Table of Contents How Sonar Works 1 DualBeam PLUS™ Sonar .......................................................................................................... 3 QuadraBeam PLUS™ Sonar (with optional-purchase QuadraBeam PLUS™ transducer) ........ 4 WideSide® Sonar (with optional-purchase WideSide® transducer) .......................................... 5 Universal Sonar 2 ........................................................
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531526-1_A - 747c_&_777c2_Man_Eng.qxp 10/2/2006 1:40 AM Page 4 Table of Contents Sonar X-Press™ Menu 34 Side (WideSide® transducer: WideSide® view only .............................................................. 35 Sensitivity ................................................................................................................................ 36 Upper Range (Advanced: Sonar, Split Sonar, Big Digits and Circular Flasher Views only) ......37 Lower Range ...........................
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531526-1_A - 747c_&_777c2_Man_Eng.qxp 10/2/2006 1:40 AM Page 5 Table of Contents Units - Distance (with Temp/Speed or GPS receiver) .............................................................. 60 Units - Speed (with Temp/Speed or GPS receiver) .................................................................. 61 User Mode................................................................................................................................ 61 Language (International only) .........
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531526-1_A - 747c_&_777c2_Man_Eng.qxp 10/2/2006 1:40 AM Page 6 How Sonar Works Sonar technology is based on sound waves. The 700 Series™ Fishing System uses sonar to locate and define structure, bottom contour and composition, as well as depth directly below the transducer. Your 700 Series™ Fishing System sends a sound wave signal and determines distance by measuring the time between the transmission of the sound wave and when the sound wave is reflected off of an object; it then uses the ref
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531526-1_A - 747c_&_777c2_Man_Eng.qxp 10/2/2006 1:40 AM Page 7 The sound pulses are transmitted at various frequencies depending on the application. Very high frequencies (455kHz) are used for greatest definition but the operating depth is limited. High frequencies (200kHz) are commonly used on consumer sonar and provide a good balance between depth performance and resolution. Low frequencies (83kHz) are typically used to achieve greater depth capability. The power output is the amount of en
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531526-1_A - 747c_&_777c2_Man_Eng.qxp 10/2/2006 1:40 AM Page 8 DualBeam PLUS™ Sonar Your 700 Series™ Fishing System uses a 200/83 kHz DualBeam PLUS™ sonar system with a wide (60°) area of coverage. DualBeam PLUS™ sonar has a narrowly focused 20° center beam, surrounded by a second beam of 60°, expanding your coverage to an area equal to your depth. In 20 feet of water, the wider beam covers an area 20 feet wide. The 20° center beam is focused on the bottom, to show you structure, weeds and co
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531526-1_A - 747c_&_777c2_Man_Eng.qxp 10/2/2006 1:40 AM Page 9 QuadraBeam PLUS™ Sonar (with optional-purchase QuadraBeam PLUS™ transducer) Your 700 Series™ Fishing System also supports QuadraBeam PLUS™ sonar with the purchase of an additional QuadraBeam PLUS™ transducer. QuadraBeam PLUS™ sonar provides an extremely wide 90° area of coverage. QuadraBeam PLUS™ starts with two fan-shaped 35° 455 kHz Side Structure locating sonar beams to spot fish, bait and structure to the left and right of the
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531526-1_A - 747c_&_777c2_Man_Eng.qxp 10/2/2006 1:40 AM Page 10 WideSide® Sonar (with optional-purchase WideSide® transducer) Your 700 Series™ Fishing System also supports WideSide® sonar with the purchase of an additional WideSide® transducer. The WideSide® transducer is a specialized "side- looking" transducer that is extremely useful for bank fishing or looking for bait fish in open water. The WideSide® transducer uses three different sonar elements that transmit signals to the left, righ
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531526-1_A - 747c_&_777c2_Man_Eng.qxp 10/2/2006 1:40 AM Page 11 Universal Sonar 2 Your 700 Series™ Fishing System supports Universal Sonar 2, a state-of-the- art, integrated and protected transducer that is built into the lower unit of Minnkota trolling motors. With Universal Sonar 2, all wiring is concealed inside the indestructible composite shaft—out of sight and out of harm’s way, with no clamps, ties, or exposed wires. Universal Sonar 2 features new temperature sensing and the performanc
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531526-1_A - 747c_&_777c2_Man_Eng.qxp 10/2/2006 1:40 AM Page 12 What’s On the Display The 700 Series™ Fishing System can display a variety of useful information about the a Depth - water depth; can be set to alarm when the water becomes too shallow. Cursor - available in Freeze Frame and can be positioned in the Sonar View to provide depth of a sonar return and bottom depth below the cursor. Temperature - water surface temperature. Timer - Elapsed time with Temp/Speed Accessory or GPS Receive
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531526-1_A - 747c_&_777c2_Man_Eng.qxp 10/2/2006 1:41 AM Page 13 about the area under and adjacent to your boat, including the following items: High Sonar Intensity Return Bait Ball 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. 83 kHz Blue Fish Symbol Fish - the Fishing System displays fish as arches and/
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531526-1_A - 747c_&_777c2_Man_Eng.qxp 10/2/2006 1:41 AM Page 14 Views The views available on your Fishing System are: • Sonar View • Zoom View • 200/83 kHz Split Sonar View • Big Digits View • Circular Flasher View • Side Beam View • WideSide® View. Sonar View is the default view. When the VIEW key is pressed, the display cycles through the available views. When the EXIT key is pressed, the display cycles through the available views in reverse order. Any view can be hidden or displayed as p
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531526-1_A - 747c_&_777c2_Man_Eng.qxp 10/2/2006 1:41 AM Page 15 Sonar View Sonar View presents a historical log of sonar returns. Depth is always displayed. Readouts for temperature and speed are automatically displayed if the appropriate accessory is connected. The most recent sonar returns are charted on the right side of the window; as new information is received, the older information is moved across the display to the left. A Digital Depth Readout is displayed in the upper left corner. A
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531526-1_A - 747c_&_777c2_Man_Eng.qxp 10/2/2006 1:41 AM Page 16 Understanding Sonar History 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. As both the boat and the targets (fish) may be moving, the returns are only showing a p
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531526-1_A - 747c_&_777c2_Man_Eng.qxp 10/2/2006 1:41 AM Page 17 Real Time Sonar (RTS®) Window A Real Time Sonar (RTS®) Window appears on the right side of the display in the Sonar View only. The RTS® Window always updates at the fastest rate possible for depth conditions and shows only the returns from the bottom, structure and fish that are within the transducer beam. The RTS® Window plots the depth and intensity of a sonar return (see Sonar Menu - RTS® Window). The Narrow RTS® Window The W
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531526-1_A - 747c_&_777c2_Man_Eng.qxp 10/2/2006 1:41 AM Page 18 Bottom Presentation As the boat moves, the unit charts the changes in depth on the display to create a profile of the Bottom Contour. The type of bottom can be determined from the return charted on the display. A Hard Bottom such as compacted sediment or flat rock appears as a thinner line across the display. A Soft Bottom such as mud or sand appears as a thicker line across the display. Rocky Bottoms have a broken, random appear
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531526-1_A - 747c_&_777c2_Man_Eng.qxp 10/2/2006 1:41 AM Page 19 Structure ID® represents weak returns in blue and strong returns in red. WhiteLine® highlights the strongest sonar returns in white, resulting in a distinctive outline. This has the benefit of clearly defining the bottom on the display. 14
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531526-1_A - 747c_&_777c2_Man_Eng.qxp 10/2/2006 1:41 AM Page 20 Sonar Zoom View Sonar Zoom View increases the displayed resolution to separate sonar returns that are very close together, such as those caused by fish suspended close to the bottom or within structure. In Zoom View, the display is split to show a narrow slice of the full range view on the right and the zoomed view on the left. The full range view on the right also contains the Zoom Preview Box that shows what part of the full ra
