Furuno CH-300 - Manual (Page 38)

2. HORIZONTAL MODE
2-12
Deleting all event markers from the horizontal display
To delete all event markers inscribed on the horizontal mode display, do the following:
1. Operate the Omnipad to place the cursor outside the display area.
2. Press the EVENT key to show the following dialog box. Do the next step within four
seconds, otherwise the dialog box will be erased.
DELETE EVENT MARK?
NO YES
3. Press ► to choose YES and then press the MENU key.
2.11 Depth and Horizontal Range Markers
The horizontal range, depth and bearing to a fish school can be measured by using the
range and bearing markers.
Note:
Range and bearing markers cannot be inscribed on the history display or video
plotter display.
1. Operate the Omnipad to place the cursor on the location desired.
2. Press the R/B key to display the range and bearing markers. Horizontal range, depth
and bearing to the cursor location are shown at the bottom right-hand corner of the
screen.
3. To erase the range and bearing markers, place the cursor outside the display area and
press the R/B key, or place the cursor on the range or bearing marker and press the R/B
key.
Bearing marker
Range marker
NAV
DATA
Range and bearing
markers data
→
: Horizontal range
↓
: Depth
B: Bearing from ship's bow
Dashed lines
show horizontal
range and depth
of range marker.
Range and bearing markers