When fishing among a school of fish and catch- ing them, note the fish species and the strength of the echo that it returns on the
when that particular echo is seen at future times on the fishfinder, it is likely to be the same fish species.
5-6 Fuel display
To show the Fuel display, press DISP and select Other Tab, select Fuel and press ENT.
There are no options.
(See section
Used shows total fuel used since this was last reset with the Clear Used command.
Remaining shows the amount of fuel remaining in the tank(s).
Flow shows the fuel consumption per hour. For twin engine installations, the fuel flow for each engine is shown separately. This is useful for checking that both engines are under the same load.
Economy is the distance travelled per unit of fuel used. The Fishfinder calculates this using the fuel used and boat speed (water speed or GPS speed - which ever is selected as the speed source – see section
The bigger this number, the better the fuel economy. Adjust the throttle and trim to achieve the best fuel economy.
Note: when water speed is selected as the speed source, calibration of the boat speed measure- ment is essential for an accurate fuel economy reading – see section
5-7 Data display
To show the Data display, press DISP and select
Other Tab, select Data and press ENT.
This shows a graph of the water tempera- ture and depth over the last 20 minutes and selected data items.
The graph is useful for locating warm and cold spots in the water.
To change data items:
1. Press MENU until the Options menu is shown.
2. Highlight Data setup and press ENT.
3. Use the cursor keys to move from data field to data field.
4. Press ENT at any data field to show the list of data items that can be displayed there.
5. Highlight the required data item and press ENT. The data item is immediately displayed.
6. Press ESC when finished.
FISH 4500/4600 Installation and Operation Manual | NAVMAN | 25 |
