Akai MPK Road 88 Service Manual page 27

STEP 10 – LED Test
Once press each button, LED will lite up and off.
Please test all LED test to see the function correctly or not
STEP 11 – Serial number Test
(1) Please select the"serial Number" button
(2) Please go to S/N bare
(3) Please use Bar Code Scanner. It will show S/N and auto save the code in the
device。
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