![](/images/new-backgrounds/1328772/328772281x1.webp)
You can visit our website at www.humminbird.com to order this accessory online or contact our Customer Resource Center at
NOTE: 455 kHz Sensitivity 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 PLUS™ transducer is connected, then highlight 455 kHz Sensitivity on the Sonar Main Menu.
2.Use the LEFT or RIGHT
Depth Lines
(Advanced)
Depth Lines divide the display into four equal sections that are separated by three horizontal depth lines. The depth of each line is displayed along the depth scale. You can either turn Depth Lines On or Off. The Depth Lines menu choice is available when User Mode is set to Advanced (see Setup Menu Tab: User Mode).
Depth
Lines
To change the Depth Lines setting:
1.Make sure you are in Advanced User Mode, then highlight Depth Lines on the Sonar main menu.
2.Use the LEFT or RIGHT