Advice Needed for Rebuilding VXT After Saltwater Damage

Unfortunately salts water got into my VXT will replace it. I’ve saved the settings luckily.

any advice on the rebuild from Deepspace Seeker 5. This on was pnp. Just wandering if my O4 system was damaged. Haven’t googled to check.

My best one is going to be ELRs version with O4 Pro.