Boss DD-7 Digital Delay Spezifikationen PDF herunterladen (Seite 15)

May. 2008 DD-7

3. Insert the plug into the INPUT A jack.

Verify that the CHECK LED lights up orange.

fig.DD-7-wave-1.eps_75

8. DSP Through Check (OUTPUT A Check)

Make the connections shown below to the INPUT and OUTPUT jacks on the

DD-7, using the settings indicated.

INPUT A: Input a rectangular wave at 400 Hz, 800 mVp-p.

INPUT B: Input a rectangular wave at 400 Hz, 800 mVp-p.

OUTPUT A: Connect the oscilloscope.

OUTPUT B: Connect the oscilloscope.

Set the oscilloscope to 500 mV/DIV, 1 ms/DIV, and coupling: DC.

1. Adjust the MODE control to the HOLD position.

Verify that the CHECK LED has gone dark.

fig.DD-7-wave-1.eps_75

2. Disconnect the plug from the OUTPUT A jack.

Verify that the CHECK LED lights up green.

fig.DD-7-wave-6.eps_75

3. Insert the plug into the OUTPUT A jack.

Verify that the CHECK LED goes dark.

fig.DD-7-wave-1.eps_75

9. DSP Through Check (OUTPUT B Check)

& CLIP Check

Make the connections shown below to the INPUT and OUTPUT jacks on the

DD-7, using the settings indicated.

INPUT A: Input a sine wave at 400 Hz, 4.0 V p-p.

INPUT B: Input a sine wave at 400 Hz, 4.0 V p-p.

OUTPUT A: Connect the oscilloscope.

OUTPUT B: Connect the oscilloscope.

Set the oscilloscope to 2.0 V/DIV, 1 ms/DIV, and coupling: DC.

1. Adjust the MODE knob to the MODULATE position.

Verify that the CHECK LED lights up orange.

Verify that the waveforms are not clipped.

fig.DD-7-wave-7.eps_75

2. Disconnect the plug from the OUTPUT B jack.

Verify that the CHECK LED lights up red.

fig.DD-7-wave-8.eps_75

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Boss DD-7 Digital Delay Spezifikationen Seite 15