Humminbird 900 Series - Manual (Page 97)

NOTE: The 455 kHz Sensitivity requires the purchase of the QuadraBeam PLUS™
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 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 4-WAY Cursor Control keys to change the
455 kHz Sensitivity. (-10 to +10, Default = 0)
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).
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 4-WAY Cursor Control keys to turn the Depth
Lines setting On or Off. (Off, On, Default = On)
Depth Lines
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