Multichannel Systems MPA32I Manual - Manual (Page 12)

32-Channel Miniature Preamplifier Manual
6
4 Setting up MC_Rack
Please refer to the MC_Rack Manual for more information.
 Start MC_Rack.
 Open the file MPA32I_NoiseTest.rck on the installation volume (see folder Tutorial).This rack
contains the virtual MC_Card instrument as data acquisition device 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 Data Source Setup on the Edit menu. Select a 1-dimensional layout. Select the number
of electrode channels (at least 32).
 Add the data acquisition to your virtual rack.
 In the tree view pane of the virtual rack, select the data acquisition, 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 64.
 Adjust the display ranges to 500 ms and +/–50 μV.
 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 to100 μV for the
y- range.