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1. OPERATIONAL OVERVIEW
1-23
1.13 Suppressing Low Level Noise
(Clutter suppression)
Light-blue dots may appear over most of screen. This is mainly due to dirty water or noise.
This noise can be suppressed by adjusting the Clutter suppression function.
Appearance of clutter on the display
1. Click Settings.
2. Click Echo image.
3. Click ▼ in the Clutter curve box.
Clutter curve options
4. Click the setting desired, referring to the description below.
Standard: With “high” clutter level setting, strong colors are untouched while weak echo
colors are suppressed.
Straight: With “high” clutter level setting, weak-to-strong echoes are suppressed by
averaging.
OFF: Clutter suppression function is disabled.
5. Click ▼ in the Clutter box.
Clutter options
6. Click the setting desired.
7. Click the OK button.