Black Box IEEE 1284 Guía de usuario descargar pdf (Pagina 72)

Page 72 of 98 The Black Box Toolkit

The host and remote PCs were setup in as illustrated in the schematic below. A BBTK

Tone Generator was attached to line 5. This was adjusted to give a clear and sharp signal

at a reasonable volume. The E-Prime button box script was used to check this triggered

the voice key correctly. Using the “active switch closure” leads that come with the BBTK

the bare ends were soldered to the primary button of each response device, e.g. button 1

of the PST response box, left button of each mouse, and the “B” key on the keyboard. The

2.5mm jack plug at the other end of the lead was then be plugged into the line 7 on the

BBTK (active switch closure) as each device was tested. The BBTK opto-detector (line 3)

was attached centre screen on the remote PC. This was perfectly aligned to the position

where a 32x32 pixel white block had been superimposed on each bitmap.

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Black Box IEEE 1284 Guía de usuario Pagina 72