Furuno FR-8251 manual Menu tree, ERASE erase all plotting symbols, MK ERASE erase all fixed marks

3NM (SP, M1P, M2P) 6NM (M1P, M2P, LP) 12~24NM ( M2P, LP)

Menu tree

TRAIL

TIME (15S, 30S, 1M, 3M, 6M, 15M, 30M, CONT)

MODE (REL, TRUE)

TONE (SGL, MULT)

GUARD

PLOT

AREA NO. (GUARD1, GUARD2)

MODE (IN, OUT) (IN mode only on N-type radar; no menu selection)

SYMBOL selection of plotting symbol

ERASE (erase all plotting symbols)

VEC REF (REL, TRUE)

VEC TIME (30S, 1M, 3M, 6M,15M, 30M)

TRACK (OFF, ON)

MARK &

DATA

FUNC

ECHO SIG

MK ERASE (erase all fixed marks)

MK MODE (REL, TRUE)

DSP DATA (OFF, PLOT, NAV, ALL)

FUNC SEL (S1, S2, S&M, L-ES, L-AC, ES, B1, B2)

		ECHO AVG (OFF, 1, 2, 3)
	INTRF (OFF, 1, 2, 3)
		STRETCH (OFF, 1, 2)				0.75~1.5NM (SP, M1P)
		A/C AUTO (OFF, ON)				3NM (SP, M1P, M2P)
		N REJ (OFF, ON)			↓	6NM (M1P, M2P, LP)
P/L SET						12~24NM ( M2P, LP)
P/L SEL (P/L1, P/L2)
		ECHO AVG (OFF, 1, 2, 3)
INTRF (OFF, 1, 2, 3)
	STRETCH (OFF, 1, 2)
		N REJ (OFF, ON)
2ND ECHO (OFF, ON)
	P/L SET 1			0.75~1.5NM (SP, M1P)
			↓
	P/L SET 2

Preset pulselength for 0.75~1.5, 3, 6, 12~24NM

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