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2D was clear mode, rest are default settings except chart speed which was at speed of boat (3)

(998 ver 6.49) Staircase coming down the face of a dam. Wasn't exactly what I expected to see 70440

First time out with the graphs and didn't get to spend much time as I was breaking-in the engine. These were taken with 1198 Sfw 6.64 on TM mounted transducer. Had a 998 at console that was also on...