Modes of operation
15
850--164186 A
2.5 180° / Audio
Figure 9 - 180° /Audio
When the 180° / Audio mode is selected, the upper half of the
screen shows a 180° bow up presentation, while the lower part is
used for a recording of the audio channel.
The audio channel is shown with a continuous white line in the
horizontal picture, and can be trained in any direction. The
recorded echoes are a direct replica of the echoes under the white
audio line.
As the audio channel is recorded over a period of time, this mode
is especially useful for detection of weak echoes mixed with
reverberation or noise.
The recording of the audio channel is always stored in the
computer, even if another mode is selected. That means that this
recording will always be presented when selecting the
180°/audio mode.
Note that the vessel symbol can be moved to any position in the
horizontal view with the cursor and Off Centre button.
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