Simrad SP90

Simrad SP902.5 180° /AudioWhen the 180° / Audio mode is selected, the upper half of thescreen shows a 180 degrees bow-up presentation, while the lowerpart is used for a recording of the audio channel.The audio channel is shown with a continuous white line in thehorizontal picture, and it can be trained in any direction. Therecorded echoes are a direct replica of the echoes under the whiteaudio line.As the audio channel is recorded over a period of time, this modeis especially useful for detection of weak echoes mixed withreverberation or noise.The information recorded by the audio channel is always stored inthe computer, even if another mode is selected. That means thatthis recording will always be presented when selecting the180°/Audio mode.Note that the vessel symbol can be moved to any position in thehorizontal view with the cursor and Off Centre button.16 850-164511 / B