Furuno GP-1850WDF, GP-1850WF manual Dual-frequency Display, Plotter/Sounder Display

2. VIDEO SOUNDER OPERATION

A-scope display

This display shows echoes at each transmission with amplitudes and tone proportional to their intensities, on the right of the screen. It is useful for estimating the kind of fish school and seabed composition.

		0
		50	A-scope
	68.3		display
		100
Normal		150
sounder
display	160	200
	DGPS3D 200k

A-scope display plus

normal sounder display

2.3Dual-frequency Display

The 50 kHz picture appears on the left; the 200 kHz picture on the right. This display is useful for comparing the same picture with two different sounding frequencies.

		0.0		SOUNDER
				DUAL
		20	20	RANGE
				GAIN
		40	40	200kHz
				GAIN
				50kHz
		60	60	SHIFT
43.5
				MODE
GPS 3D	50k	200k

Dual-frequency display

2.4Plotter/Sounder Display

This display provides the plotter display on the left part of the screen and the normal sounder display on the right part. It is useful for searching fish schools at cruising speed. The width of the sounder display can be selected between standard (approx. 20 mm) and wide (approx. 40 mm) as below.

1. Press the [MENU] key and the SOUNDER SETUP OPTIONS soft key. The sounder setup menu appears.

2.Press ▼ to select E/S WINDOW window.

3.Press the EDIT soft key to show the E/S WINDOW window.

E/S WINDOW

▲

STD

WIDE

▼

E/S window

4.Press ▲ or ▼ to select STD or WIDE. STD: The width of the sounder display is approx. 20 mm (default setting).

WIDE: The width is approx. 40 mm.

5.Press the [ENTER] key or the ENTER soft key.

Plotter Display	Sounder
	Display
	0	NORTH
		UP
		ZOOM
		IN
	50	ZOOM
		OUT
		PLOT
	100
		SNDR
GPS 3D	109 150	COURSE
		UP

Plotter/Sounder display

2-4