M-Audio Keystation 49es MK3, Руководство по обслуживанию

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Diagnosis
15
System Self-testing
Operating Instructions
System self-testing consists of 3 parts: tests 1 ~ test 3. Use the following control buttons to switch
between the tests.

Hold down the [ADVANCE] button, then press [ OCT+ ] to switch to the next test item.
 Hold down the [ADVANCE] button, then press [ OCT- ] to go back to the previous test item.
Test 1: Function Buttons
Follow the numbers marked in Red to check the buttons, starting from “1”,and press the sustain pedal at
las,If right OctLED-
、
light green, or they light red.
After all buttons are passed. Hold down the [ADVANCE] button, then press [OCT+] to switch to Test 2
(Keys).