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Such undesired signal will produce unwanted mark
on the screen, which may cause a
misunderstanding of the underwater condition.
In such situations when you see too much clutter on the screen, increasing the Noise Filter
will play an effect. The larger the value is, the more unexpected sonar returns will not be
displayed. If the Noise Filter is increased too high, most sonar returns (which maybe fish)
will not be displayed.
In situation while water is clear, try decreasing the Noise Filter, however in situation while
water is turbid, try increasing the Noise Filter will be helpful.
When the water is deep enough, the high value setting may greatly affect or even hinder
your Fishfinder’s performance to find the bottom. So, in deep water, decreasing the Noise
Filter value will be helpful.
Note: in some situations while you have big trouble with noise, try finding and fixing the
interference source, rather than operating your Fishfinder with a very high Noise Filter
value.
Note: there is 9 level and “Auto” option for Noise Filter setting. The setting with
“Auto” or 3~5 level is suitable for most using condition.
To set the Noise Filter:
1) Press Menu to enter into the menu
setting.
2) Use the Up / Down Arrow to select
Sonar Option.
3) Press Right Arrow to enter into
Sonar setting.
4) Use the Up / Down Arrow to select
the Noise Filter option.
5) Press Right / Arrow to enter into the
setting.
6) Press Right / Left Arrow to increase
or decrease the value.
7) Press Ent to confirm the setting.
8) Press Exit to exit from the menu
setting.
Color Line
Color Line is used to distinguish between weak and strong echoes, which is very helpful
for you to know well whether the bottom is hard or soft; and also help you to distinguish
weeds from trees, or fish from structure.
