Humminbird 967C - Manual (Page 93)

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).
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)
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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