Understanding The Split Frequency Screen; Understanding The Split Zoom Screen - Garmin 400/500 Owner's Manual

Understanding the Split Frequency Screen

Use the Split Frequency screen (dual-frequency transducer only) to
view both the 50 kHz and 200 kHz frequencies on the same screen.
A 50 kHz frequency graph appears on the left; a 200 kHz frequency
graph appears on the right.
From the Home screen, select
Depth, temperature, and speed
Frequencies
Split Frequency
GPSMAP 400/500 Series Owner's Manual
Sonar > Split frequency.
Range

Understanding the Split Zoom Screen

Use the Split Zoom screen to view the full sonar data from the graph
and a zoomed in portion on the same screen.
From the Home screen, select
Depth, temperature,
Zoomed
depth scale
Zoom level
Transducer frequency
or beam width
Split Zoom
Using Sonar
Sonar Split Zoom.
>
and speed
Zoom
window
Range
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