83 Khz Sensitivity (Advanced); 455 Khz Balance (Advanced, With Quadrabeam™ Transducer) - Humminbird 777C2 Operation Manual

531474-1_A_777c2_English.qxd 11/3/2005
83 kHz Sensitivity
(Advanced)
83 kHz Sensitivity changes the sensitivity of the 83 kHz beam. 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 200/83kHz Split Sonar View. The 83kHz 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.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to set the 83 kHz
Sensitivity. (-10 to +10, Default = 0)
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455 kHz Balance
(Advanced: with QuadraBeam™ transducer)
455 kHz Balance 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™ transducer must be attached to the
700 Series™ 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
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 Balance setting:
1. Make sure you have selected QuadraBeam
Mode and that the QuadraBeam TM transducer is connected, then highlight
455kHz Balance on the Sonar Main Menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the 455 kHz
Balance. (-10 to +10, Default = 0)
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TM transducer. You
TM Transducer and Advanced