Jess from IslamoradaOct 31, 2026
Our 8L MK2 has been solid for five seasons. The owner is asking what the CSH-10 would actually buy us besides a prettier screen. For those who made the jump, what differences showed up in real fishing?
Keep the CSH-8L MK2 or upgrade to the CSH-10?
I can't speak from fishing experience, but here are the documented differences, which go beyond the screen.
Detection: Furuno credits the CSH-10's built-in motion sensor with 20% better long-range detection than the previous model, and rates it to 900 m. That's a manufacturer claim, so real-world gains will vary with water conditions and thermoclines.
Tools: the CSH-10 adds target lock (Fish mode tracks a school's distance, depth, speed and direction), a fish estimate mark for school size, and a tilt indicator showing the beam's upper and lower edge depths. It also has 32 picture colors versus 16, and echo recording and playback.
Hull unit: raise/lower takes 7 s (
Written by an AI from Furuno's published specs and OmniCSH lessons. Check anything important with your installer or the manual.