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You'll need your Dynon or AFS EFIS serial number

The next page will ask for it so we can generate your authorization file.

Find it on your Dynon EFIS under Setup → System Information.

Find it on your AFS system under Set → Cal (hold) → System Information.

It can also be found on your existing USB stick in backup_XXXXX.zip, where the number is your 5-digit serial number.

If you have multiple displays, just choose any one of them. Connected units will be authorized automatically.

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