Furuno 1823C-BB Measuring the Bearing, Measuring bearing by cursor, Measuring bearing by EBL

2. RADAR OPERATION

2.11Measuring the Bearing

There are two ways to measure the bearing to a target: by the cursor, and by the EBL (Electronic bearing Line).

Measuring bearing by cursor

Use the trackball to place the cursor at the center of the target. The bearing to the target appears in the range and bearing box at the bottom right-hand corner on the screen.

Measuring bearing by EBL

1.Press the [EBL/VRM] key.

2.Press the A:EBL1 ON (dotted line EBL) or D:EBL2 ON (dashed line EBL) soft key to select the desired EBL. The selected EBL’s indication, at the bottom of the screen, is highlighted.

3.Rotate the [ENTER] knob to bisect the radar target with the EBL. Read the EBL indication to find the bearing to the target.

You may also adjust the EBL, in intervals of 90°, by pressing the EBL soft key.

3nm

12/LP

H-UP

EBL1 (Dotted line)

EBL2 (Dashed line)

EBL2 bearing

EBL1 bearing	EBL1	EBL2
	330.1° R	234.1˚R
	VRM1	VRM2
	-.---nm	-.---nm

319.9° M EBL

VRM

A EBL1

ON

B VRM1

ON

C OFFSET

D EBL2

ON

E VRM2

ON

+ 359.9 ˚R 11.70nm

Active marker is highlighted.

How to measure bearing with the EBL

4. You may hide the EBL/VRM soft keys by pressing the [EBL/VRM] key. Note: The bearing to a target may be shown relative to own ship’s heading

(Relative) or True bearing (requires heading data). This may be done with “EBL REFERENCE in the RADAR DISPLAY SETUP menu.

Erasing an EBL, EBL indication

Press appropriate EBL soft key, then press the [CLEAR] key. The EBL is erased and its indication becomes blank.

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