Garmin GPSMAP 440sx Owner's Manual - Page 57
Understanding the Split Frequency Screen, Sonar, Split Frequency, Split Zoom
UPC - 753759065867
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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 Sonar > Split Frequency. Depth, temperature, and speed Using Sonar 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 Sonar > Split Zoom. Depth, temperature, and speed Range Frequencies Split Frequency GPSMAP 400/500 Series Owner's Manual Zoomed depth scale Zoom window Range Zoom level Transducer frequency or beam width Split Zoom 51