Furuno 1954C-BB, GD-1920C-BB, 1964C-BB, 1944C-BB, 1934C-BB manual Contents of radar display setup menu

		7. CUSTOMIZING YOUR UNIT
	Contents of radar display setup menu
Item	Description	Settings
EBL	References EBL bearing, shown in the	True, Relative
Reference	EBL data box, to North (True) or
	heading (Relative). Relative with no
	heading input. True only in course-up,
	north-up and true motion.
Cursor	Chooses how to display cursor position.	LAT/LON: Lat/Long position of cursor
Position		TD: Loran C or Decca TDs
	Note: “RNG & BRG-TRUE” requires	RNG & BRG-REL: Range and bearing
		in relative bearing.
	heading data, true bearing. Reverts to
		RNG & BRG-TRUE: Range and
	relative bearing when heading data is
		bearing in true bearing.
	lost.
		MGRS: MGRS format position
Tuning	Selects receiver tuning method. For	Auto, Manual
	further details see the paragraph “2.3
	Tuning.”
TX Sector	Turns on/off dead sector graphic, which	On, Off
Blanking	shows area where no echoes are
	received. To set sector, select ON, then
	enter range. Max. sector is 135°.
	Dashed lines mark the dead sector.
	Note that noise may occasionally
	appear in the TX sector when the echo
	trail feature is turned on.

	Dead sector
Noise	Electrical noise, appearing on the	Off, Low, High
Rejection	screen as “speckles,” may be
	suppressed with the noise rejector.
	Note that some forms of interference
	cannot be suppressed.

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