Furuno CSH-5L/CSH-8L manual Description of marks and data on the normal display, Heading, Mark

4. ECHOSOUNDER

Description of marks and data on the normal display

	Mark/Data				Description
	Own Ship Mark			Shows own ship’s present position and points in bow direction.
	North Mark*			When a heading sensor is connected, the North mark is displayed and￿
			North mark	points to North.
	Heading Mark			The heading mark is a dashed line extending from the screen center ￿
		Heading mark		to the edge of the outermost range ring and it points in the direction of￿
				ship’s heading.
	Heading			With connection of a heading sensor, heading is shown 32 compass￿
				points (N, N/NE, etc.). The heading may also be displayed in true￿
				bearing in which case the indication is 360°.
	Own Ship Position￿			The own ship position mark is entered at own ship’s position, with￿
	Mark			the [EVENT] key. 10 marks may be entered.
	Trackball Mark			Sets own ship’s mark location for off-center display; sets location for
				mark input; measures range and bearing. The trackball controls￿
				this mark.
	Trackball Mark Data			Trackball mark data:↓ , slant range;→, Horizontal range;↓, Depth,
	↓			B, Bearing. Appears at top left corner of the sonar display.
				Relative bearing￿
	→
	↓	°		Bearing is shown in 360° or ±180° indication system, relative to ship’s￿
	B			heading. In the latter case, "B" isindicated as follows:
				B	P .... on the port side
				B	S .... on the starboard side
				Indication format may be selected with OTHER MARKS on the MARKS￿
				menu.
	Range Data			Range setting, selected with the [RANGE] control, appears at top
	R			right corner of the sonar display.
	Tilt Angle Data			The tilt angle appears below the range indication at the top right corner￿
	T	°		of the sonar display. The tilt angle can be changed in 1° steps within￿
(		)		the range of 0° to 55°. In target lock* and automatic tilt control, the￿
				instantaneous tilt angle appears in parentheses. Accordingly, both are￿
				equal when target lock is on. In automatic tilt, the upper indication￿
				shows the tilt angle set by the TILT lever and the lower indication the￿
				instantaneous tilt angle at which the sonar actually works.
	Gain			The gain chosen with the [GAIN] control appears on the top right￿
	G	.		corner of the sonar display.
	Function Key Number			Function key number appears at the top right corner of the sonar
	F			display.

* = Requires appropriate sensor.

5-2