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Furuno FCV-600L User Manual

Furuno FCV-600L
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9
1.10 Erasing Weak Echoes
Dirty water or reflections from plankton may
be painted on the display in green or light-
blue. These weak echoes may be erased as
follows:
1. Press the SIG LEV key. The following
display appears.
SIGNAL LEVEL
OFF
SL1
SL2
SL3
SL4
SL5
SL6
SIGNAL LEVEL
OFF
SL1
SL2
SL3
(At 16-color display)
(At 8-color display)
Figure 1-22 Signal level display
2. Press the SIG LEV key again to select sig-
nal level (echo color) to erase. The color
deleted disappears from the color bar and
is replaced with dark-blue color. SL1
erases the weakest echo; SL6 the light-
blue echo.
3. Press the MENU ESC key.
Weak
echoes
Signal level
adjusted
Figure 1-23 How SIG LEV works
1.11 Measuring Depth
The VRM (Variable Range Marker) functions
to measure the depth to fish schools, etc.
1. Press or to place the VRM on an
echo.
2. Read the VRM range just above the VRM.
200k
0
20
40
60
80
49.6
0.0
39.8
VRM (green)
Figure 1-24 How to measure depth
with the VRM

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Furuno FCV-600L Specifications

General IconGeneral
BrandFuruno
ModelFCV-600L
CategoryMarine Equipment
LanguageEnglish

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