Garmin 400C Manual De Propietario

a

dvanced

 s

ettIngs

Press MENU on any screen to access advanced options.

Range—By default, the range is set to Auto. The range of the depth 

scale on the right side of the screen adjusts automatically as the 

depth readings increase or decrease. Highlight Manual Range and 

press SElECt to manually adjust the scope of the depth scale.
Gain—controls the sensitivity of the Fishfinder 400C’s sonar 

receiver. By default, the Gain is set to Auto, which automatically 

sets the sonar sensitivity. 

Highlight Manual Gain, and press SElECt to manually adjust 

the Gain. To see more detail, increase the Gain. If there is too much 

detail, or the screen is cluttered, decrease the Gain.
beam—when using a Dual Beam transducer, select a wide or 

narrow beam.
Frequency—when using a Dual Frequency transducer, select how 

the frequencies appear on screen. By default, the frequency is set 

to 200kHz. You can specify that the unit uses only the 200kHz 

frequency, the 50kHz frequency, or Dual Frequency.

  NOtE: If you choose Dual, the Split Freq screen appears.

Zoom—zoom in to a section of the Full Screen. The zoom is off, or 

set to No Zoom by default. Four options are available:

• 

2x Zoom—twice the magnification.

•  4x Zoom—four times the magnification.
•  bottom lock—locks the zoom window to the bottom. The 

default zoom span is 10 ft, and can be adjusted. 

•  Split Zoom—opens the Split Zoom screen.