Furuno FAR-2107(-BB) - Manual (Page 126)

1. RADAR OPERATION
1-104
1.53.2 Inscribing a drop mark
1. Left-click one of the DROP MARK boxes at the bottom of the screen.
2. Put the cursor on the point you want to measure the range and bearing and
push the left button. A drop mark is inscribed on the screen and range and
bearing between own ship and the drop mark are shown below
corresponding DROP MARK box.
000 010
020
030
040
050
060
070
080
090
100
110
120
130
140
150
160
170 180 190
200
210
220
230
240
250
260
270
280
290
300
310
320
330
340
350
DROP1
229.8
°T 4.532NM
DROP2
90.38
°T 2.873NM
Drop
Mark
Range and bearing
to drop mark
No. 1 DROP
MARK box No. 2 DROP
MARK box
1.53.3 Erasing a drop mark
Left-click the appropriate DROP MARK box until the drop mark and its data are
erased. (The DROP MARK box remains on the screen until the drop mark
feature is turned off from the menu.)