USER’S MANUAL / bit Tune /
60
2. Select the Oscilloscope function from the ‘”Tools” menu of the PC software or
click on Oscilloscope from the main menu.
3. Select the Generator tool and set it as shown on the
right. The suggested value of the generator’s output voltage
is approximately 3V RMS. This value can be reduced to
increase the sound impact at a low listening volume. It
should be considered that the reduction of the voltage
results in an increase of the amplifiers’ input sensitivity,
with consequent increase of the background noise. If you
want to change the suggested voltage, evaluate the best
compromise between the acoustic situations.
4. Connect the SPK IN LEFT and/or RIGHT inputs of the
bit Tune to the STEREO or MONO channels of the amplifier
being tested using the cables supplied with the product.
Set the generator’s Processor Volume to 0 dB. Verify that
the sine wave shown on the screen is within the maximum
width displayed, otherwise change the scale (1 V, 10 V, 100 V).
Increase the level of sensitivity of the amplifier connected to the
SPK IN inputs of the bit Tune until you see on the oscilloscope
a sine wave on the edge of clipping, as shown here.
5. Repeat the adjustment described in section 4 on the remaining outputs of the audio system’s amplifiers.
6. Set the generator’s Processor Volume to -60 dB.
- Turn off the audio system’s amplifiers acting on the remote switch.
- Disconnect the SPK IN inputs of the bit Tune from the outputs of the amplifiers.
- Reconnect to the amplifiers the speakers previously disconnected and turn them on again.
7. After this operation the sensitivity levels of the amplifiers are fine tuned. In the next Processor Auto Setup,
the Level Check of the bit Tune will further correct the level of the processor’s outputs in order to refine the
remaining level differences of the system.
NO
OK
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