
FISH 4350 / 4380 Installation and Operation Manual6
NAVMAN
Power Off
To turn the Þ shÞ nder off, hold . A countdown
box appears. Continue to hold
for 3 seconds
until the Þ shÞ nder turns off.
Note: If the unit is wired for Auto Power
(section 6-4 Wiring options) the Þ shÞ nder can
be turned off only when the boat’s ignition is
turned off.
Simulate Mode
An internal simulator allows
users to learn how to operate
the Þ shÞ nder off the water.
In Simulate mode the word
Simulate flashes at the
bottom of the display. The
fishfinder generates data
so that all the main displays
appear to be operational.
Use Setup > Simulate as follows:
1. Press MENU twice to show the Setup
menu.
2. Highlight Simulate.
3. Press
to select On or Off.
Gain Adjustment
Gain (sensitivity)
controls the amount
of detail displayed on
the screen. Refer to
section 4-3 for more
information.
1. Press
brieß y
to show the gain
controls.
2. Press
or
to
adjust gain.
3. Press
to switch between auto and
manual gain.
4. Press
or MENU to conÞ rm and exit.
Display Adjustment
The display and
keys are backlit,
with a choice of 16
bright-ness levels. To
change the backlight
level:
1. Press
twice to
show the back-
light control.
2. Press
to dim or
to brighten.
3. Press
to conÞ rm.
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