Furuno FAR-2228-BB Operator's Manual page 80

1. OPERATIONAL OVERVIEW
How to measure range and bearing from the control unit (RCU-014)
Range and bearing can be measure using the EBL OFFSET key.
1. Press the EBL ON key to activate EBL1.
2. Place the cursor inside the operational display area, then press the EBL OFFSET
key. EBL1 moves to the cursor.
3. Place the cursor (EBL1 moves with the cursor) on a target of interest. (Shown as
"Target 1" in the above example), then press the EBL OFFSET key.
4. Rotate the EBL knob to move the EBL until it passes through another target of in-
terest. (Shown as "Target 2" in the above example).
5. Place the cursor on the [VRM1] box.
6. Rotate the VRM knob until the range marker on the EBL is on the inside edge of
Target 2. The readouts for EBL1 and VRM1, at the bottom of the screen, indicate
the bearing and range between the Target 1 and Target 2.
7. You can repeat the same procedure on third and fourth targets (shown as "Target
3" and "Target 4" in the above example) by using the No. 2 EBL and the No. 2
VRM.
Bearing is shown relative to own ship with suffix "R" or as a true bearing with suffix "T"
depending on EBL relative/true settings in the [EBL•VRM] menu.
How to reset the EBL origin to the center of the screen
1. Place the cursor on the box for the EBL to reset, then left-click. The selected EBL
is now active and highlighted.
2. Place the cursor inside the operational display area, then right-click. The [CUR-
SOR] context menu appears.
3. Select [EBL OFFSET]. The cursor is now displayed with a red surround.
4. Left-click to return the EBL to the center of the display.
5. Right-click to deactivate the [EBL OFFSET] mode. The red surround on the cursor
disappears.
How to link EBL and VRM OFFSET
You can link the EBL and VRM offset to show the VRM range ring with one target as
the center-point. This may helpful if the range marker on the EBL is difficult to see.
1. Open the menu.
2. Select [3 NAV TOOLS].
3. Select [3 EBL•VRM•CURSOR].
4. Select [8 VRM OFFSET].
5. Select [LINK EBL] to link the offset
EBL is now displayed with the VRM
range ring, as indicated in the figure
below.
Select [OFF] to deactivate the link be-
tween the offset EBL and the VRM.
6. Close the menu.
1-58
000
350
340
330
320
310
Linked VRM1 Linked VRM1
300
EBL1 EBL1
290
280 Target 2 Target 2
270
Target 1 Target 1
260
250
240
230
EBL origin EBL origin
220
210
200
190
180
010
020
030
040
050
060
070
080
090
100
110
120
130
140
150
160
170