![Humminbird Autochart DVD PC Mapping Software w/Zero Lines Map Card [600031-1] Steering Koden 4kW 20](https://cdn.shopify.com/s/files/1/0525/2484/3176/files/57316XL-748687.jpg?v=1713397940)
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Koden 4kW 20"/4kW (RB715A)
Improved bottom tracking
PYI suggests as preventative maintenance that the PSS bellow be replaced in six year intervals
Short circuit protection
as well as other swivel base and downrigger brands
Humminbird Autochart DVD PC Mapping Software w/Zero Lines Map Card [600031-1] Steering Koden 4kW 20"/4kW (RB715A)AutoChart DVD PC Mapping Software with Zero Lines Map Card AutoChart: Map coverage where you make it. Humminbird AutoChart for North America uses proprietary software that takes your Humminbird's sonar recordings and GPS to build custom lake charts. Create your own contour map on any lake in 3 simple steps: 1. Record sonar data after inserting a blank SD card into your Humminbird Combo. 2. Import your recordings into the AutoChart PC program and
