HELIX is the current core series with a tabbed Menu System (similar to a folder file cabinet) ...HELIX comes in Sonar/GPS units - Sonar/DI/GPS units and Sonar/computer generated DI/SI/GPS units. Current HELIX DI series and SI series in 9, 10, and 12" units add 1200kHz imaging and CHIRP .... HELIX comes in 5", 7", 9", 10", 12" screens
ONIX is touch with a more customizable (and complicated) multi-layered Menu System ... ONIX comes in Sonar/GPS units and Sonar/DI/SI/GPS units. ONIX can have CHIRP (with newer software) and can share MEGA imaging from a SOLIX MEGA series (below) ... ONIX comes in 8" and 10" screens ....
ION is similar to ONIX with touch and the same multi-layered Menu System but does not include built in Sonar module like ONIX. ION requires the SM Sonar (black box) modules ... ION comes in 12" screen ... ....
SOLIX is the current series touch unit (replaced ONIX) with the same multi-layered Menu System as ONIX and ION. SOLIX also adds 1200kHz MEGA imaging and CHIRP ... SOLIX comes in 10", 12", and 15" screens ....
Rickie