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Bottom zoom
This mode provides a "low frequency" picture on the right half of the screen and a
picture of the bottom is expanded onto the left half of the screen.
This is useful for detailed observation of bottom contour and bottom material changes.
When the bottom echo goes beyond the boundary defined by the zoom range marker,
the display is automatically shifted to keep the bottom echo within the lower part of the
zoom range.
3.3
How to Select a Range
The range can be selected automatically or manually.
Note 1: This operation cannot be conducted when the bottom discrimination feature is
Note 2: When selecting the same fish finder source on two SFD, set [RANGE 1] through
How to select a range mode
Touch control:
1.
Press the Popup menu key to open the [Popup] menu.
2.
Tap [Range Auto].
3.
Tap [On] or [Off].
4.
Tap [x] on the title bar to close [MENU].
Key control:
1.
Press the Popup menu key to open the [Popup] menu.
2.
Select [Range Auto] with the arrow keys, then press the ENTER key.
3.
Select [On] or [Off] with the arrow keys, then press the ENTER key.
4.
Press the MENU/ESC key to close [MENU].
Bottom zoom display
set to [On].
[RANGE 8] of the [RANGE] menu in the [SYSTEM] menu of both SFDs to the
same value.
Single frequency display
3. FISH FINDER
Zoom marker
Zoom range
3-7
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Table of Contents
Troubleshooting
