Furuno CH-300 - Manual (Page 82)

4. ECHO SOUNDER MODE
4-6
4.8.1 Inscribing the event marker
1. Operate the Omnipad to place the cursor on the location desired for an event marker.
2. Press the EVENT key to inscribe the event marker.
NAV
DATA
or
A-SCOPE
DISPLAY
Depth, Water Temp. Display
"Previous event marker"
"Latest event marker"
Display area
To delete all event markers
on the echo sounder dislay,
place the cursor outside
the display area and
press the EVENT key.
How to inscribe, delete the event markers
4.8.2 Deleting all event markers from echo sounder display
Event markers inscribed on the echo sounder display may be erased collectively as follows:
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 press the MENU key.