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Les langues disponibles
Menu Operation
1. Chart speed
Setting a low speed value will make the interpretation of fish
and bottom details easier. However the compressed infor-
mation may cause a little problem for you to interpret
them.To achieve better images, try t o adjust the Chart
Speed level to match how fast you are moving in the ac-
tual condition: stationary, drifting slowly or running your
boat at different speeds.
To set the Chart Speed:
1- Press Menu to enter into menu setting.
2- Use the Up/Down Arrow to select Sonar option.
3- Press the right arrow to enter into Sonar setting.
4- Use the Up/Down arrow to select the Chart Speed option.
5- Press the right arrow to enter into the setting.
6- Press the left/right arrow to increase or decrease the val-
ue.
7- Press ENT to confirm the setting.
8- Press EXIT to exit the menu setting.
2. Noise Filter
Noise Filter is used to filter the noise from the air or water
environment to get a clear sonar image on the screen.
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Echofish 820 – Installation & Operation manual
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