Humminbird HELIX Series Operation Manual page 56

Change the View Colors
The Sonar Colors menu changes the colors used to display sonar returns on the view.
Change the Sonar Colors Palette
1. Sonar X-Press Menu: With a Sonar View displayed on-screen, press the MENU key once.
2. Select Sonar Colors.
3. Select a palette.
NOTE: To display or hide the Color Bar, see Show/Hide Data on the Sonar View.
Sonar (2D)
Sonar View with Customized Sonar Colors
56
color bar with
sonar colors set
to palette 4
Strong
Weak
RTS Window