Product Manual
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1.7a Operating Program: 23300 (ASIC TYPE) up to and
including serial no.9609999
Multi-Level AudioScope3 ASIC
Sequence: Cause: Effect:
7. Logic ASIC Pin 24 goes low activates 500 Hz LED (D2)
500 Hz sine wave Speaker produces 500 Hz Tone
appears at ASIC Pin 2
and is amplified and then
applied to speaker
from ASIC Pin 7
8. Logic cycle completes itself and
activates D1 Ready LED illuminates
9. Manual switch off unit deactivates, lamps & logic off