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a98 CPT 100, bottom view,


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a98 CPT 100, bottom view,
05-04-17, 05:41 PM
Post: #1
a98 CPT 100, bottom view,
Hello, I have a a98 with a transom mount CPT100, On other Raymarine MFDs I was used to using 50kHz and 200kHz with a thru hull transducer
Using 50kHz, the view of the bottom, the radius from transducer, 20'-30', at 100ft depth 50'-60'. Using 200kHz 50' depth radius from transducer, 2.5-3', total area seen, 5'-6', at 100 ft depth, radius from transducer 3'-6' total area of bottom seen 6'-12' I go diving and spearfishing so knowing this information is important. I knew at 100' and 200kHz what I was looking at was directly under the boat or within a few feet.
However on this MFD there is no adjustment. So when I am looking at either Chirp Sonar or Chrip Downvision, What area am I looking at at the bottom? If the depth is 100 ft, how narrow of scope on the bottom is the cone?
Thanks!
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a98 CPT 100, bottom view, - No Free Rides - 05-04-17 05:41 PM

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