Raymarine C140w Menu item Description Options Track Interval, Record Vessel, Vessel Track By menu

Menu item	Description	Options
Track Interval	Determines the interval	If TIME is selected for
	that will be used for	the Record Vessel
	track point creation.	Track By menu item:
	The options available	•	2 secs
	depend on the option
	selected for the Record	•	5 secs
	Vessel Track By menu
		•	10 secs
	item, as follows:
	• Auto — If the Auto	•	30 secs
	option is selected for	•	1 min
	the Record Vessel
	Track By menu	•	3 min
	item, no options	•	5 min
	are available for the
	Track Interval menu	•	10 min
	item.	•	30 min
	• Time — If the Time
		If DISTANCE is selected
	option is selected for
	the Record Vessel	for the Record Vessel
	Track By menu item,	Track By menu item:
	you can use theTrack	•	0.02 nm
	Interval menu item
	to specify the time	•	0.05 nm
	interval.	•	0.1 nm
	• Distance — If the
		•	0.2 nm
	Distance option is
	selected for the	•	0.5 nm
	Record Vessel Track
		•	1.0 nm
	By menu item, you
	can use theTrack
	Interval menu item to
	specify the distance
	interval.

Menu item	Description	Options
Datum	In order for your GPS	•	WGS1984 (default)
	and chart to correlate	•	List of available
	accurately with your
			datum
	paper charts, they must
	be using the same
	datum. The default
	datum for your display
	is WGS1984. If this is
	not suitable, you can
	change the setting.
	When you change the
	datum setting, the chart
	grid will subsequently
	move according to
	the new datum, and
	the latitude/longitude
	of the cartographic
	features will also change
	accordingly. The system
	attempts to set up any
	GPS to the new mode,
	and indicates whether
	this was successful or
	not.

Using the chart 55