Furuno CH-250 manual Operational Overview, Control Description

1. OPERATIONAL OVERVIEW

1.1Control Description

	Selects center bearing of training sector.
	Selects detection range.
	Switches training sector to 360˚
	(horizontal mode), or 180˚ (vertical fan mode).
Turns the power on/off.	Selects scan speed (sonar)/picture
Raises the transducer.	advancement speed (echo sounder).
Adjusts receiver	=Controls tilt angle.
sensitivity.	Selects center direction of
	the vertical scanning sector.
Selects width of	Turns target lock on/off.
training sector.
	Omnipad
	=Shifts cursor.
	Selects menu items, options.

POWER XDR GAIN DISPLAYSECTORMODE TRAIN MAINSUB￿ RANGEHAFULCUSTOMLF￿ MODESCANFAST￿ TILTBRILL TARGETR/B EVENTMENU

Lowers the transducer.	Select display mode.	Provide short-cut
		key or one-touch		Opens/closes
		setup.		menu.
			Adjusts display	Inscribes/erases event
			brilliance.	marker.
	Alternately selects main			Inscribes/erases range
	and sub windows in			and bearing markers.
	combination displays.
	Horizontal/Video Plotter	Horizontal/Vertical Fan
	Horizontal/History		Horizontal/Strata
	DISPLAYMODE
	Horizontal		Echo Sounder
	Expanded Horizontal	Vertical Fan

Figure 1-1 Control unit

1-1