Japan Radio Co. JLR-7900, Instruction Manual

Page: 41 / 184

3-3
9) Waypoint Information screen
The waypoint screen can display the waypoint number, route number and waypoint position.
VTD (Speed of the destination component)
VTD (An acronym of "Velocity Toward Destination)
This in an index that shows how fast the boat is approaching toward the destination in the
unit of knot when it is navigation at a given bearing angle and speed.
VEAR(Speed of the COG component)
VEAR(An acronym of "Velocity Along Route")
This in an index that shows how fast the vessel is approaching along the planned route in
the unit of knot when it is navigating at a given course and speed.
CMG(Average bearing)
CMG(An acronym of "Course Made Good")
The bearing angle to the current position when viewed from the starting point.
Waypoint number
Route number
Waypoint position
Memo
VEAR
VTD = V cos a
°
VEAR = V cos b
°
CMG = c °