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To switch to Manual Depth Range:
1. First, turn off automatic depth range. From the Sonar Page, press
MENU|↓ to AUTO DEPTH RANGE|ENT.
2. Press ↑ to
DEPTH RANGE|ENT.
3. Press ↓ or ↑ to select a different depth range. A horizontal dark bar
highlights the selected range.
4. When the new range is selected, press
EXIT to clear the menu.
At left, Sonar Page Menu with Upper and Lower Limits command se-
lected. At right, Sonar Chart Limits menu, with Upper Limit selected.
Depth Range - Upper and Lower Limits
Virtually any segment of the water column can be displayed by using
the upper and lower limit feature. This lets you pick the shallow and
deep depth range limits that are shown on the screen, provided there is
at least 5 feet between the upper and lower limit you select.
Normal display, in auto depth range mode, left. At right, display
"zoomed" with Upper and Lower Limits focusing on the portion
of the water column from 10 feet to 20 feet deep.
Area "zoomed"