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Bottom zoom display
This display is useful for discerning the shape and material of the
seabed. The seabed is automatically tracked so bottom echoes lo-
cate on the lower half of the screen.
200k
162
0
50
100
150
200
40.0
CSE 180.0° SPD 16.8kt
DEP 113.6 ft TMP 16.0 °C
2D
12.0V
POS 34° 26.245' N 135° 41.232' E
Normal
display
Bottom zoom
display
Display
range
marker
160
100
120
140
180
Figure 1-14 Bottom zoom display plus normal display
Bottom-lock display
The bottom-lock display provides an expanded "wide" or "nar-
row" view (distance depends on unit of measurement) of the area
above the seabed. This display is useful for discriminating fish
near the seabed.
200k
162
0
50
100
150
200
68.3
CSE 180.0° SPD 16.8kt
DEP 113.6 ft TMP 16.0 °C
2D
12.0V
POS 34° 26.245' N 135° 41.232' E
Bottom-lock
display
Normal
display
Display
range
marker
0
10
20
30
40
50
Figure 1-15 Bottom-lock display plus normal display
Note: The expansion marker should be turned on in the SNDR
SETUP menu.