Boss DD-7 Digital Delay Especificaciones descargar pdf (Pagina 14)

May. 2008 DD-7

5. Depress the toe of the EV-5 pedal all the way.

Verify that the CHECK LED is lighted up red.

fig.DD-7-wave-1.eps_75

6. Unplug the EV-5 from the jack.

6. DSP Through Check (INPUT B 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 200 ms position.

Verify that the CHECK LED goes dark.

fig.DD-7-wave-1.eps_75

2. Disconnect the plug from the INPUT B jack.

Verify that the CHECK LED lights up green.

fig.DD-7-wave-4.eps_75

If the waveforms grow larger, operation is correct. If the waveforms

show no change, operation is faulty.

3. Insert the plug into the INPUT B jack.

Verify that the CHECK LED goes dark.

fig.DD-7-wave-1.eps_75

7. DSP Through Check (INPUT 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 50 ms position.

Verify that the CHECK LED lights up orange.

fig.DD-7-wave-1.eps_75

2. Disconnect the plug from the INPUT A jack.

Verify that the CHECK LED lights up red.

fig.DD-7-wave-5.eps_75

If the waveforms grow larger, operation is correct. If the waveforms

show no change, operation is faulty.

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Boss DD-7 Digital Delay Especificaciones Pagina 14