4. ADVANCED SETTINGS
4-14
4.7.5
Calibration menu
The [Calibration] menu compensates for error in water temperature and other data.
Menu item
Description
[Sound Speed [m/s]]
If the depth indication is incorrect, you can change the sound speed
setting to compensate for the error.
[Temperature]
Compensates for incorrect water temperature data. For example, if the
shown water temperature is two degrees higher than the actual tem-
perature, enter -2.0.
[Bottom Lock Mode]
Set how the bottom edge is determined, by signal level or display col-
or.
• [Level]:Determine the bottom edge by signal level. When the meth-
od is [Color], bottom fish may be hidden in the bottom edge. With
[Level] the shape of the bottom echo may change depending on the
bottom contour of the bottom.
• [Color]: Determine the bottom edge by display color. When bottom
fish are well separated from the bottom, the bottom is displayed with
a straight line, making discrimination of bottom fish easier. Howev-
er, the bottom presentation may change depending on gain setting.
[Bottom Color]
When [Bottom Lock Mode] is set to [Color], you can select the color (0-
63) to be judged as the bottom echo.
[Zero Line Rejection]
Turns the zero line (transmission line) on or off. When turned [On], the
transmission line disappears, which allows you to see fish echoes
near the surface clearly. The width of the transmission line changes
with transducer used and installation characteristics.
[Zero Line Area]
Adjusts the transmission line so that the line disappears when the [Ze-
ro Line Rejector] is turned on. For a long tail, increase the value. If the
transmission line does not disappear, lower the TX power.
[Zero Line Fill]
Turn off to see fish echoes near the surface.
FSS-3BB [ 0252470-xx.xx ]
Содержание FSS-3BB
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