Furuno GP-1850WF, GP-1850WDF manual 34.0, Selecting sounder display mode, Sounder function window

Selecting sounder display mode

There are five display modes from which to choose: normal, marker zoom, bottom zoom, bottom lock and A-scope. To select a display, press the SNDR FUNC soft key on the normal sounder display to show the sounder function window, and press ▲ or ▼ to select the display. Press the RETURN soft key to close the window.

SOUNDER FUNCTION

▲

NORMAL

MARKER ZOOM

BOTTOM ZOOM

BOTTOM LOCK

A-SCOPE

▼

Sounder function window

Marker zoom display

This mode expands a selected area of the normal sounder picture to full vertical size of the screen on the left-half window. You may specify the portion to expand by operating the VRM (Variable Range Marker), which you can shift with ▲ or ▼. The area between the VRM and zoom marker is expanded.

Fish school

Marker zoom					0	Normal
		100				sounder
display				Fish		display
				school	50	VRM
		90.0
					100
			150		150	This part
						is zoomed.
202		200			200	Zoom marker
	GPS3D
		200k

Marker-zoom display plus normal sounder display

2. VIDEO SOUNDER OPERATION

Bottom-zoom display

This mode expands bottom and bottom fish echoes to vertical size of the screen, and is useful for observing the bottom shape.

	100		0	Normal
		40.0
Bottom zoom				sounder
	120		50
				display
display
	140		100	Zoom
Bottom
				marker
	160		150
162			200
	180
DGPS3D	200k

Bottom-zoom display plus normal sounder display

Bottom-lock display

The bottom-lock display provides a compressed normal picture on the right half of the screen and a 3 or 6 meters (10 or 20 feet) wide layer in contact with the bottom is expanded onto the left half of the screen.

		6	0	Zoom
Bottom-lock				marker
			10
display				Fish
			68.3
		4		school
			20	Normal
				sounder
Fish		2	30	display
school				This part
	34.0		40	is zoomed.
Bottom		0
	GPS3D	200k	50
display flat

Bottom-lock display plus normal sounder display

Note: The zoom marker is not displayed in the default setting. It may be turned on in the DISPLAY SETUP2 menu. For further details see “ZOOM MARKER” on page 11-5.

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