<div dir="ltr">Hi,<div><br></div><div>This projector seems to be a regular LCD-type device that will be connected to the video card of the PC. Just like a normal display, so for E-Prime there is nothing special about this. Depending on the hardware setup, the projector could be connected as primary display device, or as secondary display device in an extended desktop configuration. In the latter case you will have to specify the display number in the display device properties of E-Studio to send the output to the correct video port. Also note that the image quality is only optimal when the native resolution of the LCD is used (1024x768). Other resolutions might be supported, but are displayed with interpolated pixels. Brightness and pixel response times might be sub-optimal for these kind of devices, so keep this in mind if that is critical for your research.</div>
<div><br></div><div>Synchronization between the MRI scanner and E-Prime is typically done using a digital trigger signal on one of the input ports of the PC (often a printer port), or using a response device that converts the trigger signal to a (simulated) key stroke (like the fORP response device interface). Most configurations can be handled using one of the available input devices in E-Studio, such as the Port, Parallel Port or keyboard device. Just consult the local MR support technician about the details of the configuration.</div>
<div><br></div><div>Paul<br></div><div><br></div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On 21 March 2014 22:00, <span dir="ltr"><<a href="mailto:kyleheidtman2012@u.northwestern.edu" target="_blank">kyleheidtman2012@u.northwestern.edu</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hi,<br><br>I've developing a visual search task to run in an MRI. The MRI displays images using a: "Hitachi CP X-505" video projector.<br>
<br>Are there any tips/suggestions on how to work with that display device in EPrime? Does the "screen" object still exist with that device?<br><br>Also, I've heard that it might be possible to make EPrime trigger the start of the MRI. Does anyone know how to do that?<span class="HOEnZb"><font color="#888888"><br>
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