VT RTA-168A/B Manual Rev. 1.5
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device for the software. Note that the displayed name of the XLR-to-USB sound card may
vary a bit under different Windows versions. The “Device Model” field must be set to
“Sound Card MME”.
Under Windows XP or a Windows Version Before XP
Under a Windows Version after XP
Now, if you start the oscilloscope by pressing the red button at the upper left corner of the
screen, and then talk before the measurement microphone, you should be able to see your
“voices” in the Oscilloscope and Spectrum Analyzer.
1.4.3.2 Configure Sound Playback Devices for Multi-Instrument
The XLR-to-USB sound card does not have any audio output channels, but you can use your
computer’s built-in sound card or any other sound card for audio test signal output, if you
want to use the Signal Generator in Multi-Instrument to generate the test signals. To
configure the sound card for the Signal Generator, go to [Setting]>[DAC Device] and choose
