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Sonar Menu Tab
SI Readouts
(Advanced, Side Imaging® View only [898c HD SI
and 998c HD SI])
Settings: On, Off; Default = On
SI Readouts
allows you to display or hide the digital readout boxes in the
Side Imaging® View.
When SI Readouts is set to Off, Temperature and Depth will continue to be
displayed on the screen.
NOTE:
See
Setup Menu Tab: Select Readouts
for more information.
Noise Filter
(Advanced)
Settings: Off, Low, Medium, High 1, High 2, High 3;
Default = Low
Noise Filter
adjusts the sonar Noise Filter to limit interference on the display
from sources such as your boat engine, turbulence, or other sonar devices.
The Off setting removes all filtering. Low, Medium, and High 1, High 2, High
3 settings add progressive filtering of the sonar returns. High 1, High 2, and
High 3 are useful when there is excessive trolling motor noise, but in some
deep water situations, the High settings may actually hinder your unit’s
ability to find the bottom.
Max Depth
(Advanced)
Settings: Various, see below.
Max Depth
controls the maximum depth of operation. When Max Depth is
set to Auto, the Fishing System will acquire bottom readings as needed
(within the capacity of the unit). When Max Depth is set to match your
fishing maximum depth, your Fishing System will not attempt to acquire
sonar data below that depth, so more detail will be shown on the screen.
NOTE:
If the bottom is deeper than the Max Depth setting, the digital depth
readout will flash, indicating that the Fishfinder cannot locate the bottom.
•
858c HD/958c HD:
Auto to 1500 ft, Auto to 500 m (International
Models only); Default = Auto
•
858c HD DI/958c HD DI:
Auto to 1500 ft, Auto to 500 m
(International Models only); Default = Auto
•
898c HD SI/998c HD SI:
Auto to 1500 ft, Auto to 500 m
(International Models only); Default = Auto
•
858c HD XD/958c HD XD:
Auto to 3280 ft, Auto to 1000 m
(International Models only); Default = Auto
Max Depth controls the down beam reading. The SI Range (Side Imaging®
Range) controls the side beams and down beam reading at the same time.
If SI Range is set to a deeper range than the Max Depth setting, your
898c HD SI Combo or 998c HD SI Combo will default to the SI Range
setting. For example, if you set the Max Depth to 50 feet and then set the
SI Range to 150 feet, your unit will acquire bottom readings from 150 feet
(see
Side Imaging® X-Press
™
Menu: SI Range
).
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