Geonav 10C User And Installation Manual page 34

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of the boat, provided that the boat's speed is greater than 3
knots. This function will be enabled provided that no waypoint
has been previously entered.
EBL/VRM functions
The EBL (Electronic Bearing Line) and VRM (Variable Range
Marker) functions allow entering markers and waypoints as
range and bearing coordinates with respect to the current po-
sition.
To enable these functions, rotate the knob to display the EBL,
position the line on the bearing desired, then press the knob
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