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The Black Box Toolkit Page 29 of 98

In order to simulate a real paradigm you can select “Opto-detector|Flashing Block Test” on

the remote PC. This will cause the white block to flash as near as possible to the chosen

frequency.

Once the stimulus block is flashing you may opt to capture timing data using the toolkits

Digital Stimulus Capture software module. Once you are happy with sensitivity threshold

you can begin to benchmark your own paradigm.

As can be seen from the “opto-detector” menu many other tests are available:

• Bitmap

Test

This is ideal if you want to test two or more opto-detectors. A bitmap

followed by a black screen will be displayed alternately on the simulated

TFT with a chosen frequency.

The left and centre white block will flash at the chosen frequency, whereas

the lower white block will remain constantly illuminated as it is

superimposed onto both the bitmap and black screen.

•

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Black Box IEEE 1284 Guía de usuario Pagina 29