Yamaha SIGMA-G5SII Service Information page 50

(3) Set the following operation conditions.
Select [Machine Menu] → [OPERATION] → [Opr, Mode] in this order, and the set
the "Mode" data to "No Designate".
Select [Machine Menu] → [OPERATION] → [Test Mode] in this order, and the set
the "TEST PATTERN" data to "Disable".
Service Information
Fig. A40
Fig. A41
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