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3 Fishnder 340C Owner’s Manual
usIng the fIshfInder 340c > usIng the MAIn Menu
System Tab
The System tab enables you to control various system and interface
settings.
The following settings are available:

—controls all sounds. Select from , 
(sounds for alarms/messages), or  (sounds
for key presses and alarms/messages).
Language—select from various languages for the
Fishnder’s on-screen display.

—lets you simulate Fishnder operation. If
the Fishnder does not detect a transducer, it automatically
enters Simulator mode.

—controls the input and output of
NMEA 0183 version 3.01 data to and from the Fishnder.
This setting must be  to receive GPS navigational data
and send Sonar NMEA data. See page 16 for details on
available NMEA sentences.
—restores all settings to the original factory
default values. The Fishnder 340C turns off and back on
again when you select .
—shows the Fishnder’s software version,
copyright date, and unit ID.
—this option appears only if you are using
a speed-capable transducer/sensor. This resets the odometer
eld to zero.