walinutz Cologne, MNPosts: 370 December 19, 2019 at 10:16 am #1899344 which one can I use? I just updated to the newest software. 710273-1 Xi 9 1521 Ice transducer or XI 9 20 – ICE Transducer or is there another one I should be using? is one better than the other?
patk Nisswa, MNPosts: 1997 December 19, 2019 at 10:51 am #1899360 I know the 1521 is for the G2 and G3 Helix 5 and 7. Based on the logic that the newer 1521 ducer is because of CHIRP I would think that any G2/G3 would follow suit. Let’s see if someone else can confirm.
walinutz Cologne, MNPosts: 370 December 19, 2019 at 12:32 pm #1899384 Humminbird CS wrote As a general reference if your unit is a Helix 10 Chirp Mega Si GPS G2N you can use the XI 9 1521 Iceducer.