Furuno 1823C manual Contents of radar display setup menu con’t from previous

		5. CUSTOMIZING YOUR UNIT
	Contents of radar display setup menu (con’t from previous page)
Item	Description	Settings
Background	Chooses colors of background,	Black/Green
Color	range rings and characters.	Background: Black
	Effective when HUE soft key is set	Rings: Green
	for MANUAL.	Characters: Green
		Black/Red
		Background: Black
		Rings: Green
		Characters: Red
		Blue/White
		Background: Blue
		Rings: White
		Characters: White
		DK Blue/White
		Background: Dark Blue
		Rings: Green
		Characters: Red
		White/Green
		Background: White
		Rings: Green
		Characters: Green
Echo Color	Chooses echo color.	Yellow, Green,
		Multi-color. (Multi-color shows echoes
		in red, yellow or green in order of
		descending strength.)
2ND Echo	Reduces second-trace echoes. See	On, Off
Rejection	the paragraph “2.24 Suppressing
	Second-trace Echoes.”
Watchman	Sets watchman stand-by period.	5, 10, 20 minutes
Time	For further details see the
	paragraph “ 2.23 Watchman.”
Range Unit	Select unit of range measurement.	nm, km, sm
Trail Mode	Sets echo trail reference.	True: Echo trails plotted in actual
		courses and speeds. Requires
	Note: Relative trail is available in all	compass signal and speed input.
	presentation modes except true	Relative: Echo trails move relative to
	motion. True trail is available in all	own ship.
	modes.

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