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Fishnder 400C Owner’s Manual
advanced settIngs
advanced settIngs
Press MENU on any screen to access advanced options.
Dual Frequency Dual Beam
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 Fishnder 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 magnication.
•
4x Zoom—four times the magnication.
• 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.