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One thing that I noticed with my Lx-7 going from the v3.01 to the new v3.17 is I have to turn my sensitivity up to 15 to where as on the v3.01 I only needed a sens. set at 4. I like that the dynamic depth is fix but as of right now not to happy with the new update. Is there any way to go back to v3.01?
You can’t have the improvements in dynamic depth peformance without opening up the gain curve to finer level adjustments. I posted the info below on another post. You are intended to run a higher gain setting with 3.17 as the steps between settings are now much finer.
“With the new updates the gain curves has been opened up making the sensitivity adjustments much finer. You will no longer run gain settings of 2, 3 or 4. Expect to run settings of 8 – 18 with much finer control over the strength of the returns due to the finer control.
FYI – Your units ability to detect objects in the water column (overall sensitivity) has not been changed in any way.”
I cannot fathom why anyone would want less control over their sensitivity settings. In previous versions where gain settings of 2,3 and 4 were all that were used you basically had “low, medium and high” settings for gain. Now you have fine incremental steps that allow you to fine tune the display of your lure or fish. This is a GOOD thing and MarCum will never go back to the old gain curve.
Now, if you really want fine tune control, run the R-O-Y-G-B-I-V color palette. Talk about amazing control over detail. The ROYGBIV palette is 50% more sensitive than the typical 3 color palette. OF course this also means you’ll be able to lower your gain settings considerably. For me fishing a 5 MM tungsten in 30 feet of water my gain setting was at 14 – 15 in three color. It went to 8 or 9 in 6 color and my ability to fine tune was amazing. 
