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Forum: General June 14th, 2018
Posted By Hisham
Replies: 15
Views: 9,066
The fact that this happens when using an external keypad as well makes me think that the issue is not with the response pad, but rather elsewhere with the PC or the cabling.

A potential source of...
Forum: General June 12th, 2018
Posted By Hisham
Replies: 15
Views: 9,066
1. If not using an m-pod, how is the output of the RB-540 connected to EGI? Feel free to post a picture.

2. The ferrite cores boost noise immunity.
Forum: General June 7th, 2018
Posted By Hisham
Replies: 15
Views: 9,066
Itís hard to troubleshoot at a distance, so perhaps some questions first. :-)

1. How is your RB-540 connected to EGI? are you using m-pod?

2. Does your USB cable have ferrite cores on it? These...
Forum: General July 11th, 2010
Posted By Hisham
Replies: 15
Views: 9,066
If you still haven't resolved this, please call me at the office on or after July 15 (I'm out of the office until then). Some issues are faster resolved over the phone. 1.800.CEDRUS1 (that's...
Forum: General May 25th, 2010
Posted By Hisham
Replies: 15
Views: 9,066
Battery power is the easiest power source to find and use that has an isolated ground. To use it:


Get a USB cable that you won't miss.


Buy a battery holder that can hold three 1.5 volt...
Forum: General May 24th, 2010
Posted By Hisham
Replies: 15
Views: 9,066
We've had another user run into this. That user was getting 3mV artifacts when the participant simply moved their hand on the response pad.

The solution is to isolate the response pad's ground...
Forum: General May 21st, 2010
Posted By Hisham
Replies: 15
Views: 9,066
Is the RB-530 (http://www.cedrus.com/responsepads/rb530.htm) connected to EGI via the Accessory Connector?
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