Boston DSP-488 - Factory Set

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1. Turn off the power.
2. Hold down [+]and[-] buttons, then turn the power on, it can restore all internal
settings to factory set.
-
+
POWER
SPLIT
HARMONY
FULL KEYB.
TWIN
RHY1
RHY2
BASS
CRD1 CRD2
PAD
PHR1 PHR2
Factory Set