Kurzweil PC88 - Page 24

Chapter
2
Diagnostics
Sound Mode
Selecting Sound Mode exercises the sound production
and amplification subsystems by running the Sound test.
Warning!
Prior to running the Sound ROM and VGM Port Tests,
turn the volume slider to its minimum setting. Loud
tones are present during these tests which could be
potentially destructive to your Sound System!
Press Zone 4 to enter Sound Mode.
PC88 Service Manual
2-6