Korg SDD-1200 - Page 11

3. Muting Effect Check
1) Power On Mute
Confirm if POWER LED, BYPASS LED A and B
are lit 3.5 seconds (±1 second) later when the unit
is turnd on.
2) Muting Effect at delay time change
Set as above and supply 1 KHz, -24dBm, sine wave for
Standard Signal Generator (SG) to SDD-1200, and
observe MIX OUTPUT with an Oscilloscope (DC
0.5v/div, 5ms/div). to confirm if Mute effects on
sounds/waveform (fig. 4) when delay time is changed.
Fig. 4
4. S/N Check
Set as above and connect a Noise Meter (1HF-A filter
-80dBm) to MIX OUTPUT. And check S/N refering to
the chart below.
11
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