HD Digital: Accuracy & Detail

These screen samples show the wreck of the WWII ship "Aequa" in the Mediterranean Sea, in approximately 120 feet of water.

 

Ordinary Echo Sounder Display Shipwreck  
Raymarine HDFI Digital Echo Sounder Display Shipwreck 
Ordinary Echo Sounder Display
HDFI Digital Echo Sounder Display
The analog fishfinder "sees" the wreck, but the image lacks detail. The digital HD Digital sonar brings the wreck into sharp focus. Notice the detail of the ship's gun, masts, and superstructure.