Furuno GP-1600F manual Bottom zoom display, Bottom-lock display

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.

Bottom zoom display

100					0
			40.0
120					50
	140				100
						150
162		160
					200
		180		200k
	CSE 180.0°	SPD	16.8kt			2D
	DEP 113.6 ft	TMP 16.0 °C			12.0V
	POS 34° 26.245' N		135° 41.232' E

Normal display

Display range marker

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.

Bottom-lock display

		50				0
				68.3		50
		40
						100
		30
		20
							150
162		10				200
		0			200k
	CSE 180.0°		SPD	16.8kt			2D
	DEP 113.6 ft		TMP 16.0 °C			12.0V
	POS 34° 26.245' N			135° 41.232' E

Display range marker

Normal display

Figure 1-15 Bottom-lock display plus normal display

Note: The expansion marker should be turned on in the SNDR SETUP menu.

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