User manual HUMMINBIRD 747C

[. . . ] 531526-1_A - 747c_&_777c2_Man_Eng. qxp 10/2/2006 1:40 AM Page 1 747c and 777c2 Operations Manual 531526-1_A 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 topquality, 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 after purchase, and available at a reasonable rate after the one-year period. [. . . ] Increasing the 83 kHz Sensitivity will display additional weak returns and decreasing the 83 kHz Sensitivity will display fewer weak returns. The 83 kHz Sensitivity menu choice is only available when User Mode is set to Advanced (see Setup Menu Tab: User Mode). NOTE: 83 kHz Sensitivity is particularly useful for adjusting the sensitivity of the 83 kHz sonar returns in the 200/83 kHz Split Sonar View. The 83 kHz sensitivity can be adjusted without affecting the sensitivity of the 200 kHz returns shown in the 200 kHz sonar window. To set the 83 kHz Sensitivity: 1. Make sure you are in Advanced User Mode, then highlight 83 kHz Sensitivity on the Sonar main menu. Use the LEFT or RIGHT 4-WAY Cursor Control keys to set the 83 kHz Sensitivity. (-10 to +10, Default = 0) 48 531526-1_A - 747c_&_777c2_Man_Eng. qxp 10/2/2006 1:42 AM Page 54 455 kHz Sensitivity (Advanced: with QuadraBeam PLUSTM transducer) 455 kHz Sensitivity adjusts the sensitivity of the 455 kHz beam. Increasing the sensitivity will display additional weak returns and decreasing the sensitivity will display fewer weak returns. A QuadraBeam PLUSTM transducer must be attached to the Fishing System. The 455 kHz Balance menu choice is available when Transducer Select is set to QuadraBeam (see Sonar Menu Tab: Transducer Select) and User Mode is set to Advanced (see Setup Menu Tab: User Mode). NOTE: The 455kHz Balance requires the purchase of the QuadraBeam PLUSTM transducer. You can visit our website at www. humminbird. com to order this accessory online or contact our Customer Resource Center at 1-800-633-1468. NOTE: 455 kHz Balance is particularly useful for adjusting the sensitivity of the 455 kHz sonar returns in the Side Beam View. The 455 kHz sensitivity can be adjusted without affecting the sensitivity of the 200 kHz returns shown in the 200 kHz sonar window. To change the 455 kHz Sensitivity setting: 1. Make sure you have selected QuadraBeam Transducer and Advanced Mode and that the QuadraBeam PLUSTM transducer is connected, then highlight 455 kHz Sensitivity on the Sonar Main Menu. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the 455 kHz Sensitivity. (-10 to +10, Default = 0) 49 531526-1_A - 747c_&_777c2_Man_Eng. qxp 10/2/2006 1:42 AM Page 55 WideSide® Sensitivity (Advanced: with WideSide® transducer) WideSide® Sensitivity adjusts the sensitivity of the WideSide® beam. Increasing the sensitivity will display additional weak returns and decreasing the sensitivity will display fewer weak returns. The WideSide® Sensitivity menu choice is available when Transducer Select is set to WideSide® (see Sonar Menu Tab: Transducer Select) and User Mode is set to Advanced (see Setup Menu Tab: User Mode). NOTE: The WideSide® Sensitivity requires the purchase of the WideSide® transducer. You can visit our website at www. humminbird. com to order this accessory online or contact our Customer Resource Center at 1-800-633-1468. NOTE: WideSide® Sensitivity is particularly useful for adjusting the sensitivity of the 455 kHz sonar returns in the WideSide® View. The 455 kHz sensitivity can be adjusted without affecting the sensitivity of the other sonar frequencies. To change the WideSide® Sensitivity setting: 1. Make sure you have selected WideSide® Transducer and Advanced Mode and that the WideSide® transducer is connected, then highlight WideSide® Sensitivity on the Sonar Main Menu. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the WideSide® Sensitivity. [. . . ] TripLog: TripLog is a Humminbird® feature that provides an on-screen counter for Elapsed Time, Average Speed and Total Distance traveled, and requires a speed input to activate the feature. TripLog appears on the Big Digits View, and can be reset to zero through the TripLog menu. TrueArch®: TrueArch® is a Humminbird® feature that provides true fish arches, not artificial arches or symbols. Humminbird® units are capable of producing fish arches due to the wide 60° sonar beam of DualBeam PLUSTM, an extremely sensitive sonar receiver. [. . . ]