How can I save my .emg or .emc data as a text file?

March 4th, 2014|

Select your data or calculation result in the workspace tree, then choose Tools->Export to CSV File. This will produce a comma-delimited text file which can be read by Excel and many other programs (including Notepad or other text editors).

Why does the data sampling frequency change when I do a windowed calculation?

March 4th, 2014|

Given the subset of data within one window, the calculation will produce a single data point (for example, the RMS of the data in this window for a windowed RMS). This is repeated for each window within the data set. [...]

I want to export my EMG data to Microsoft Excel, but Excel can only handle 65536 rows of data at a time.

March 4th, 2014|

Use the Subset calculation to split your data into smaller data series. Right click on the file in the EMGworks Analysis tree and choose Calculations->Subset.

I have a data set in which some channels are EMG data and some channels are goniometer data. I would like to perform a RMS on the EMG data and leave the goniometer data untouched.

March 4th, 2014|

To do this, you can expand the data set in the workspace tree so that you can see the channels within it. Hold down Ctrl and select the channels on which you would like to perform a RMS by clicking [...]

How can I test my hardware connections outside of EMGworks®?

March 4th, 2014|

You can test the board using the Test Panels in National Instruments Measurement and Automation (MAX). Open MAX. In the configuration tree, select your A/D card (under NI-DAQmx devices). Click the "Test Panels..." button. On the Analog Input tab, set [...]

Myomonitor automatic network configuration does not work on my PC. What are the possible reasons?

March 4th, 2014|

There are three possible reasons for this: The network is already configured. In this situation, you already can establish connectivity and there is no need to configure the adapter again. The Wireless Zero Configuration service is stopped. (You may also [...]

The error message “Inappropriate input array size” appears when exporting data from EMGworks® to Matlab. How is this resolved?

March 4th, 2014|

Mathworks has acknowledged this as a bug in MATLAB 7.0 (R14) and MATLAB 7.0.1 (R14SP1). Their recommendation is presented below: There are several known issues with the COM interface shipped with MATLAB 7.0 (R14) and MATLAB 7.0.1 (R14SP1). See the [...]

I see varieties of files in the EMGworks® workspace. Please explain the various types and their purpose.

March 4th, 2014|

Data Acquisition File Structure Data Acquisition TESTS consists of one or more SETS, each of which can be executed once, or repeated multiple times. The repetition of a SET is referred to as a “REP”. Files terminating in “*.emt” are [...]

I have performed a calculation on my data and the resulting plot is blank. How can I display the traces?

March 4th, 2014|

This situation commonly occurs if the result of the calculation is only 1 datum point. It is not possible for the EMGworks graph tools to plot only 1 datum point, since at least 2 points are required to draw a [...]

How can I read EMGworks® raw data files in Matlab? What is the data file structure?

March 4th, 2014|

Download the MATLAB Import Script, found on the EMGworks® web page. This script can be executed in MATLAB and describes the data file structure.