A-70, A-90, A-90EX: Checking the A-70, A-90, A-90EX ROM Version

Use the following procedure to check the A-70, A-90, A-90EX current ROM version:

1. While holding down buttons 1, 3 and 5, turn on the power.

2. Once the test mode screen appears, release buttons 1, 3 and 5 and press numeric key "0" to display the current ROM version.

3. Turn the keyboard off to exit the ROM version display.

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