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Kestrel Instruments Support & FAQs

I have your Kestrel 4500 NV Horus and am unable to calibrate the compass. I put it away years ago when I got my AB model but now I can’t find that and can’t calibrate the Horus. It does not recognize that it is being rotated. Constant “0 of 3 turns comple

Hello, Can you please tell me the firmware that is on this unit? You can see the firmware version when you turn it on. It is on the splash screen by the battery % in the form of Iss 4.xx. Also please let me know the serial number on the back of the unit. Regards, Joe Racosky jracosky@nkhome.com