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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.
2 Basic Operation
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
3-1 Setup > System) and units (see section 3-6
Setup > Units).
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.
Key Names
FISH 4500/4600 Installation and Operation Manual6
NAVMAN