Checking The Machine Status - Roland GR-640 User Manual

Checking the Machine Status

<Self Test>
Execute a self test to check the status of the machine. Use this to check the machine
when it appears to be not operating correctly. A computer is not required in order to
carry out the self test.
If the self test cannot be executed, the machine may have malfunctioned. Contact your
authorized Roland DG Corp. dealer.
Procedure
Make sure the material is loaded in the machine.
Press [MENU] several times to display the screen
shown in the figure.
Press [ ] several times to display the screen
shown in the figure.
Press the [ ] key, the [ ] key, the [ ] key, and
then press the [ ] key.