Filter
Top Products
Fishnder 400C Owner’s Manual
customIzIng the FIshFInder 400c
customIzIng the FIshFInder 400c
Setting Alarms
You can set the Fishnder 400C to sound an audible alarm when
certain conditions are met. By default, all alarms are turned off.
To set an alarm, on the Congure screen, highlight Alarms, and
press SELECT.
Shallow Water/Deep Water—set an alarm to sound when the depth
is less than or greater than the specied value.
Fish—set an alarm to sound when the unit detects a suspended
target of the specied symbols.
Water Temp
—set an alarm to sound when the transducer reports
a temperature that is 2° F (1.1° C) above or below the specied
temperature.
Battery
—set an alarm to sound when the battery reaches a user-
determined low voltage.
Drift—set an alarm to sound when the depth changes by the value
specied.
Changing the Display Settings
You can switch between Day and Night modes and brighten or
darken the backlight.
To change the display settings, on the Congure screen, highlight
Display, and press SELECT.
Press left or right
on the ROCKER
to adjust the
backlight
Press left or right
on the ROCKER
to switch between
Day and Night
mode.