Roland DR-880 Dokumentacja Pobierz pdf (Strona 24)

Dec.2004

10. DSP Thru Waveform check

fig.outputdacheck1.eps

10-1. Check the [MASTER OUTPUT]

waveform.

fig.outputdacheck2.eps

VOLT/DIV:2V TIME/DIV:1mS

10-2. Slowly turn [MASTER VOLUME]

toward the minimum position.

Verify that the square wave shown in the illustration from “OUTPUT L/R”

gradually decreases.

10-3. Slowly turn [MASTER VOLUME]

toward the maximum position.

Verify that the square wave shown in the illustration from “OUTPUT L/R”

gradually increases.

* Note: The waveform must not abruptly increase or cut out.

* Note: Misshapen waveforms or waveforms below the nominal level are NG.

10-4. Disconnect the plug from

[MASTER OUTPUT] R, and check the

waveform.

fig.outputdacheck3.eps

10-5. Insert the plug back into

[MASTER OUTPUT] R, and check the

waveform.

fig.outputdacheck4.eps

10-6. Disconnect the plug from

[MASTER OUTPUT] L (MONO), and

check the waveform.

fig.outputdacheck5.eps

10-7. Insert the plug back into

[MASTER OUTPUT] L (MONO), and

check the waveform.

fig.outputdacheck6.eps

1 2 ... 19 20 21 22 23 24 25 26 27 28 29 ... 36 37

Brak uwag

Roland DR-880 Dokumentacja Strona 24