How do I register my metal detector for warranty? David Bachert January 26, 2021 12:32 Updated Question: How do I register my metal detector for warranty? Answer: Warranties are covered by the manufacturer and can be registered on line. Garrett Product Registration Minelab Product Registration Nokta Makro Product Registration Relevant to: Related articles Terms and Conditions Shipping Details How many frequencies are in a Minelab CTX 3030? What effects do different operating frequencies have? How deep can the OKM Rover C4 detect and can it locate cavities and voids? Comments 0 comments Please sign in to leave a comment.