MULTICHANNEL SYSTEMS USB-ME128-System, System Manual

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Introduction
9
Setting up MC_Rack
Please refer to the MC_Rack Manual for more information.

Start MC_Rack.

Open the file MPA8I_NoiseTest.rck and / or MPA32I_NoiseTest.rck on the installation volume (see folder
Tutorial). This rack contains the virtual MC_Card instrument with a continuous raw data display and an
Analyzer to measure the peak-to-peak amplitude.

Click Start to start the recording.

— OR — Set up the rack on your own:
Click Set Channel Layout on the Edit menu. In Data Source, select USB-MEA from the left drop down menu
and USB-ME32 from the right drop down menu.

Add the USB-ME32-FAI to your virtual rack.

In the tree view pane of the virtual rack, select the USB-ME32-FAI-System and click the Hardware tab. Enter
the total amplifier gain according to the specifications of the instruments. For example, for a miniature
preamplifier with a gain of 10 and a following filter amplifier with a gain of 100, the total gain is 1000.

Select an input voltage range of –819.2 to 818.8 mV and a sampling rate of 10000 Hz.

On the Edit menu, click Add Data Display to add a raw data display to your virtual rack.

In the virtual rack tree view pane, select the Display 1 and click the Layout tabbed page. Set up a channel
map with channels 1 to 32.

Adjust the display ranges to 500 ms and +/–50 μ V.

On the Edit menu, click Add Analyzer to add an Analyzer to the virtual rack. Select all or two typical
channels on the Channels tabbed page. Select the Peak-Peak Amplitude parameter on the Analyzer tabbed
page.

On the Edit menu, click Add Parameter Display to add a Parameter Display to the virtual rack.

In the virtual rack tree view, select the Display 2 and click the Layout tabbed page. Set up a channel map
with all channels that were assigned to the Analyzer.
Click the Ranges tabbed page and enter 0 to 10 s for the x range and 0 to 100 μ V for the y-range.