Humminbird Autochart DVD PC Mapping Software w/Zero Lines Map Card [600031-1] Brand_Marinco Fish schools will appear in

Fish schools will appear in this case as a single large mass

Automatic tuning helps to provide a clear radar picture in any conditions

Simrad SonicHub®2 & Bluetooth® Audio Integration

Shaft Length (Inches): 36"

Transmits sound waves directly at the bottom so strong echoes are reflected back to the transducer

Humminbird Autochart DVD PC Mapping Software w/Zero Lines Map Card [600031-1] Brand_Marinco Fish schools will appear inAutoChart 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