starting a flight directly on the runway, the ATC tells me to set the squawk code which is inoperative. I can’t fix it, can any good soul help me?

A310 squawk code

Habu2u2 June 8, 2023, 6:07pm 10

Transponder codes are actually octal codes rather than decimal numbers. As a result, only numbers 0-7 are valid numbers.
Regards

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