7.10 Echosounder: Noise filter
This filters the echo signal and reduces high-level, spiky
interference, such as engine noise. However, some detail may be
lost and small fish may not be shown if you are using the highest
setting.
¾
To change the noise filter setting:
• Display the Echosounder pane and the main menu. If you can't
see the
Gain and Filters button, select Return.
• Select
Gain and Filters. The Noise Filter button shows
the current setting.
• Select
Noise Filter to change the setting. There are three
choices:
◦ Off. This is the default.
◦ Medium.
◦ High.
• Select the new setting.
• Select
OK.
7.11 Echosounder: A-scope ratio
You can adjust the size of the A-scope area.
¾
To change the ratio of the A-scope area:
• Display the Echosounder pane and the main menu. If you can't
see the
Display Options button, select Return.
• Select
Display Options.
• The
A-Scope Width button shows the current setting. Select
it to change the setting.
• Select
Increase or Decrease to change the width of the A-
Scope area.
• Select
OK.
7.12 Echosounder: Depth line
You can switch the depth line On or Off. Any change is applied only
to your
Echosounder pane. On is the default.
When the depth line is On, you can move it up and down to find
the depth of a specific object on the
Echosounder pane.
Echosounder |97
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