Search found 4 matches

by daytrip
Wed Apr 14, 2010 3:26 pm
Forum: BioSemi Hardware
Topic: understanding active electrodes and impedance
Replies: 4
Views: 62155

understanding active electrodes and impedance

Every time I show someone how to use our Biosemi system they want to know how to measure impedance and seem very worried that they can't. This is especially true of people who have experience with EEG. I'm always a bit unsure about how to answer their questions. Below I've written my latest attempt ...
by daytrip
Thu Sep 11, 2008 5:29 pm
Forum: BioSemi Software (ActiView executable)
Topic: error 5000 when turning off other USB device
Replies: 0
Views: 6566

error 5000 when turning off other USB device

I have recently encountered an error when I turn on a USB device that is attached to the same computer on which I am collecting Biosemi data. I have a Dell monitor which includes USB ports in the side thus in addition to connecting to the video port of the computer the monitor also connects to one o...
by daytrip
Tue Apr 18, 2006 2:35 am
Forum: BioSemi Software (ActiView executable)
Topic: problem recording data from EXG electrodes while using AIB
Replies: 2
Views: 9678

It looks like the speed mode was the issue. I installed the new (5.37) actiview and made the speedmode on the AD-box 4 and it worked fine. Thanks!

J
by daytrip
Thu Apr 13, 2006 9:42 am
Forum: BioSemi Software (ActiView executable)
Topic: problem recording data from EXG electrodes while using AIB
Replies: 2
Views: 9678

problem recording data from EXG electrodes while using AIB

Hello, We are having problems recording from EXG electrodes while using the Analog Input Box (AIB). Our A/D Box was modified in the fall to allow daisy-chaining for multiple-subject recordings. Since then, we've encountered No signal in EXG channels when using the AIB box. This occurs when using onl...