Garmin 400C Manual De Propietario

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To change the system settings, on the Configure screen, highlight 

System, and press SElECt.
beeper—set when the unit makes audible sounds. The three settings 

are Off, Alarms Only (default), and On (keys and alarms).
Simulator—turn on the Simulator to have the Fishfinder 400C act as 

though a transducer is connected.
NMEA Output— connect the Fishfinder 400C to NMEA compatible 

electronic equipment (such as a Garmin GPS device) and send 

information. To do so, you must change this setting to On. For more 

information on connecting to a NMEA device, see 

language—select the on-screen language.
System Information—view the current operating software version 

and your unit’s unique internal unit ID.
Factory Settings—reset the Fishfinder 400C to the factory settings. 

You are prompted to confirm your choice to restore all factory 

settings. Choose yes. Otherwise, choose No to retain your current 

configuration.

To change the transducer settings, on the Configure screen, highlight 

transducer, and press SElECt.
type—select the transducer type (Dual Frequency or Dual beam).
Keel Offset —offset the surface reading for the depth of a keel so 

you can measure depth from the bottom of your keel instead of from 

the transducer’s location. Enter a positive number to offset for a keel. 

You can enter a negative number to compensate for a large vessel 

that may draw several feet of water. 

Enter (+) positive  

number to show depth  

from the bottom of keel.

Enter (-) negative number to

show depth from the surface.