Furuno MODEL CSH-73 manual Menu Description, BRG Readout, Mark Size

Menu	Item	Description
TARGET LOCK	Fish Spd Update	Selects update interval of fish speed readout.
		You can select from 15 seconds, 30 seconds,
		45 seconds, or 60 seconds.
	Target LK Window	Selects size of target lock window (in pixels);
		32 x 32 (normal), 64 x 64 (medium), or 128 x
		128 (large).
BRG READOUT	Course	Selects unit of readout for course and bearing
		between fish marks; 32 compass bearing or
		360° true bearing.
	Current Data	Displays current data readout in 32 compass
		bearing, 360° true bearing, 180° relative
		bearing, or 360° relative bearing.
	Event Mark	Displays event mark readout in 32 compass
		bearing, 360° true bearing, 180° relative
		bearing, or 360° relative bearing.
	Other Marks	Displays location of trackball mark and
		bearing marker in 32 compass bearing, 360°
		true bearing, 180° relative bearing, or 360°
		relative bearing.
DATA DISPLAY	Control Setting	Keep OFF for normal operation. "Sonar" and
		"TGT Lock" options are for factory use only.
	Text Window Data	Chooses (external sensor) data to display at
		screen bottom. "1" provides all available data.
		Other options provide less data in larger
		characters.
MARK SIZE 1	Trackball Mark	Select size and shape of trackball mark; +
		mark, or rectangle, available in large or small
		size.
	Target Lock Mark	You can select the size of these marks for
	Event Mark 1	large or small.
	Event Mark 2
	Fish Mark
	Own Ship Mark
MARK SIZE 2	Own Ship Mark	Select the size of these marks for large or
	Net Shoot Mark	small.
	Estimate Mark
	Current Vector	Selects the length of the current vector for
		long or short.
	Range Rings	Selects interval (times range in use) of range
		rings; 1/4R or 1/2R.
	Ship's Track MK	Chooses length (times range in use) of ship's
		track.

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