Furuno FR-8111, FR-8251 manual Chapter OPERATION, Control Description, 1 Control description

Chapter 1

OPERATION

Control Description	GAIN
	POWER
Turns power on.	HM OFF (PUSH)
Press together to turn
	OFF
power off.	A/C SEA
Toggles between	ST BY
	TX
stand-by and transmit.
	A/C AUTO (PUSH)
	A/C RAIN
Presentation mode	MODE
	MARK (PUSH)
	BRILL
Sets up radar for	FUNCTION
required objective.
	RINGS (PUSH)

GAIN: Adjusts receiver sensitivity. Press to erase heading marker; enable manual tuning of the receiver.

A/C SEA: Suppresses sea clutter. Press for AUTO Anti-clutter Sea and Rain.

A/C RAIN: Suppresses rain clutter. Press to inscribe a reference mark (*).

BRILL: Adjusts display brilliance. Press to turn range rings on/off and adjust their brilliance.

Silences aural alarms (except guard alarm).

Short press: Offcenter

Long press: Zoom-in

Each press processes index lines; linked with EBL2/VRM2 / fixed / OFF.

Turns an EBL off.

RANGE

AUDIO GUARD

OFFALARM

SHIFTECHO

ZOOMTRAIL

INDEX CURSOR

LINE OFFSET

OFFON

EBL 1/2

Selects radar range.

Sets/cancels guard

alarm zone; silences guard zone alarm.

Target trails ON/OFF.

Each press processes offset EBL; linked with cursor / fixed / OFF.

Selects EBL to activate.

Turns a VRM off.	OFF	ON
		VRM 1/2
Registers data on menu;	ENTER	MENU
selects menu item.	SELECT

PLOT CLEAR

Selects plotting SYMBOL DELETE symbol.

EBL	VRM
	(TLL)

Rotates EBL;	Adjusts VRM; outputs
selects items	cursor position (TL/L)
on menu.	to external equipment;
	selects items on
	menu.
	Figure 1-1 Control description

Selects VRM to activate.

Opens/closes menu.

Clears wrong data; deletes plot symbols and marks.

TRACKBALL

Shifts cursor and

No.1 EBL origin.

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