Furuno MODEL CSH-73 manual Net sonde transmitters with bars extending from the marks

Mark					Description
Target Lock Mark*		The target lock mark automatically tracks the fish school selected
		by the operator. This function requires speed and gyrocompass inputs.
or
Net Shooting Mark		Press the SHOOT key at the instant you shoot the net to display the
		net shooting mark on the display. The net shooting mark is drawn
Net Shooting Data		at own ship's position the moment the key is pressed and moves on the
		own ship's track mark with ship's movement. In addition to the
:		mark, time elapsed and distance run* (in meters) appear from the
		time the key is pressed. The mark and its data remain on the screen
		until the SHOOT key is pressed again.
Net Sonde Mark*		These marks appear on the ship's track mark* in order at set intervals,
		when a net sonde is connected. In the echo sounder combination
		mode they also appear in the echo sounder picture, showing depth of
(10 pts. max)		the net sonde transmitters with bars extending from the marks.
E/S Picture Advance	Picture advance on the echo sounder combination mode automatically
Range Data	changes to ship's speed dependent (advance) rate from the moment
	the SHOOT key is pressed, provided there is speed log input. The
z , / /	E/S picture advance range data shows the distance between the right
	and left edges of the echo sounder picture window in the ship's speed
	dependent advance. Since the net length plus wire length set on the
	DATA SET menu is used as this distance data, the echograms
	obtained during casting the net are displayed just across the E/S
	window. Set net length and wire length on NET SONDE in the DATA
	SET menu.
Control Setting		When the switches listed below are operated the new setting is noted
		at the top of the screen in larger characters for five seconds. The auto
		tilt width and auto scan width also appear upon turning on the AUTO
		TILT and AUTO SCAN functions.
		Control, Display			Control, Display
		RANGE R			AUTO TILT ±
		TILT	T	˚	AUTO SCAN ±
		GAIN	G .		BRILL
		TVG TVG .			DIM
		TX	TX .		TRAIN R0
Color Bar		The 16-color bar appears at the right-hand edge in the echo sounder
		and history displays.
E/S Range Scale		The range scale for the echo sounder picture appears in the echo
		sounder combination mode. You can display it on the right or left
		side of the screen by selecting ES/NET REC on the INIT SET/TEST
		menu.

4-7