Clutter / Background noise
The fishfinder picture may be impaired by echoes received from floating or submerged debris, air bubbles or even the boats movement. This is known as ‘background noise’ or ‘clutter’ and is controlled by the gain modes. The system will automatically control the gain settings according to the depth and water conditions. You can however adjust the gain settings manually if you prefer.
12.3 Fishfinder presets
The fishfinder provides you with four preset configurations available on the fishfinder toolbar. These enable you to quickly select appropriate settings tailored for various situations.
Each preset has been configured to provide the best operating parameters for the fishfinder. However, it is possible to manually adjust the presets if necessary. The four presets are:
•Single — this preset provides quick access to a
•Dual — this preset provides a dual frequency configuration. You can either display two different frequencies at the same time in one window, or display one frequency at
•Shallow — this preset opitimizes the fishfinder display for shallow waters.
•Deep — this preset opitimizes the fishfinder display for deep waters.
Display modes
When using presets, you can either select the relevant preset and start using the default configuration immediately, or you can adjust the preset to your needs using the display modes:
•Zoom
•Bottom Lock
•
Any changes you make to a preset are retained when you switch off the power to your multifunction display.
Using the fishfinder | 153 |
