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DM8 MP DIAGNOSTIC TEST PROCEDURE
3. Serial #
a) This is an informational display, not a test. If the unit has a valid serial number, pressing [PLAY] will
display it on the LCD.
4. Ram Test
a) Press [PLAY] to begin test, at which point the LCD should display the following:
b) When the test has completed, the LCD will display the following if it passes:
Or the following if it fails:
5. Trigger Micro Self Test
a) Verify that none of the trigger cables are plugged into any drums. Also verify nothing is plugged into the
PERC1 or PERC2 TRS jacks. Otherwise, the test will fail.
b) Press [PLAY] to begin the trigger micro self test. If it passes, the trigger micro responds with "passed"
message to the DSP, and the LCD will display the following:
c) If there is no response from the trigger micro within a reasonable time window, the LCD will display
Diags
Serial #
Diags
RAM
RAM Test
Wait..
RAM Test
Passed
RAM Test
Failed
Diags
Microcontroller
Microcontroller
Passed
Microcontroller
Failed: Timeout
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