I've just bought a second hand v1, first ever unit by spirit. I've just got a couple of questions?.......
Will I be able to update it to the latest firmware and will it be as functional as my spirit 2 unit, as in I'll have rescue and stabilisation in acro mode also?
I only ask as it's going on an older trex 500 that my son will be using to learn how to fly. No need to worry as I'll be buddy boxing aswell but would just like to know if the features are availible for this model?
Many thanks,
Pete

Yes, all features will be available on your older unit as well.
https://www.spirit-system.com/phpBB3/viewtopic.php?f=19&t=5578

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Spirit System (Spirit W1, RS & GTR & all the others)
Spirit Wave & JETI DS 12
http://www.habada.cz

Thanks, got it through this morning and updated firmware to 3.5. Now to fit a config it in a 500