Raymarine GPM400 - Fishfinder Configuration

107 Chapter 8: The Fishfinder
8.12 Fishfinder configuration
This section describes the settings you can change using the fishfinder setup menu. The setup menu contains settings that are likely to be
changed infrequently.
For information on how to use setup menus, see Setup menus on page 23.
To open the fishfinder setup menu
1. Make a fishfinder window active.
2. Press the MENU button.
3. Select Fishfinder Setup.
Fishfi nder Setup > Confi gure Preset Frequencies
Depth digit size
Depth Digit Position
Target Depth ID
Depth Lines
White Line
Bottom Fill
Color Palette
Manual Scroll Speed
Transducer Settings > Select Transducer
Select Speed Transducer
Frequency Calibration
Depth Offset (Waterline)