NAVMAN FISH 4100 Installation and Operation Manual
An internal simulator allows users to learn how to
operate the fishfinder off the water.
In Simulation mode the word “SIMULATION” flashes
on the bottom of the screen. The fishfinder generates
data so that all the main screens appear to be
operational. Any changes made to the contrast,
backlighting, alarms or the display setup are saved.
Turning Simulation on and off
Note: The FISH 4100 requires the use of the
optional Through Hull adapter cable wired to a
power supply of 12 V DC to access the Simulation
mode. Contact your nearest NAVMAN dealer.
To turn the Simulation mode on, power the fishfinder
off, disconnect the blue transducer plug at the rear
of unit, then turn the power on.
To turn the Simulation mode off, power the fishfinder
off, reconnect the blue transducer plug at the rear of
the unit, then power the fishfinder on.
Use this screen for taking a closer look at interesting
SONAR screen (see section 3-5)
Displays the strength and depth of the echoes
returned from each ultrasonic pulse. The depth range
is displayed in the lower right corner. This screen is
a powerful aid, ideal for showing the bottom hardness
and the fish species.
This screen can also be used to adjust the display
shading on the HISTORY and ZOOM screens.
NAVIGATE screen (see section 3-6)
Prominently displays the water depth as a digital
readout. The corresponding bottom trace is also
shown. These two complimentary features are
particularly useful for understanding depth trends
when travelling at speed.
The FISH 4100 and 4150 display the engine-hours
counter, boat battery voltage and enabled alarms.
The FISH 4150 also displays the boat speed.
DATA screen (see section 3-7)
(FISH 4150 only)
The DATA screen displays the water temperature
and water temperature history over the last 40
minutes. It also displays the boat battery voltage, log,
engine-hours counter, boat speed and water depth.
SETUP menu (see section 4)
Use this option to customize the NAVMAN fishfinder
to suit the boat and individual preferences.
RANGE menu (see section 3-8)
Use this option to select either Auto or Manual Range
and to change the selected depth range.
MAIN MENU screen
The NAVMAN fishfinder is menu driven. Press
to display the MAIN MENU screen. The FISH 4100
MAIN MENU is shown:
The FISH 4150 has an extra option: DATA.
Press or to highlight an option, then press to
The MAIN MENU options are summarized below and
fully explained in the following sections.
HISTORY screen (see section 3-2)
Displays the echoes received over time, with the most
recent events on the right of the screen. Use this
screen when travelling to show the bottom so reefs,
wrecks and fish can be found.
ZOOM screen (see section 3-4)
This screen is split into two parts. On the right is the
Full Range Section which shows part of the
HISTORY Screen and to the left is the Zoom Section.
2-1 Simulation Mode
(displayed on all