2 Basic Operation
Key Names
ESC | If a menu is not displayed then go to the sonar |
| display. If a menu is displayed then cancel any |
| changes and return to the previous menu. |
DISP | Shows the Display menu. |
, | Cursor keys move the selection highlight and |
, | change settings. |
MENU | Press to show the Options menu on a display; press |
| again to show the Setup menu. |
ENT | Confirms any changes or from a sonar display |
| shows the Gain controls. |
+Increases the Range.
--Decreases the Range.
AUTO Selects manual, cruising or fishing mode.
50/200 Changes the frequency between 50 kHz and 200 kHz.
Powers On and Off; shows the Backlight control.
Key Operation
The fishfinder is operated through menus.
To select a menu item:
1.Press DISP or MENU
2.Press 
or 
to move the highlight to the item.
3.Press ENT to select the item.
To change a number, word or setting:
1.Use the cursor keys, 
, 
, 
, 
to highlight the number, word or setting and to make the change(s).
2.Press ENT to confirm; ESC to cancel.
Power On / Auto Power
Press 
to turn the fishfinder on.
If the fishfinder is wired for auto power, it turns on automatically whenever the boat’s ignition is turned on. This ensures that the engine hours counter and optional fuel functions are activated. A title display appears briefly. This is followed automatically by the Installation menu the first time the fishfinder is switched on. Use this menu to specify the language (see section
At all other times, the title display is followed by the display that was used most recently.
If the transducer is not connected, the message: Enter simulate mode? will appear. Press 
or 
to switch between Yes, No or Never. (If the transducer was not intentionally disconnected, turn off the fishfinder and refer to the section on Troubleshooting in Appendix B.) Press ENT to confirm the selection and the startup sequence will continue.
6 | NAVMAN | FISH 4500/4600 Installation and Operation Manual |