Search found 3 matches

by lexvanrooij
Mon Sep 24, 2012 8:27 am
Forum: BioSemi Hardware
Topic: Headbox ACT32 problem if more than 8 channels measured
Replies: 8
Views: 12821

Re: Headbox ACT32 problem if more than 8 channels measured

Coen,

When connected as above, only B1-B8 show large negative electrode offset. This probably means we need to install amplifier/converter modules. How do we do this?

Regards,
Lex
by lexvanrooij
Thu Sep 20, 2012 4:37 pm
Forum: BioSemi Software (ActiView executable)
Topic: Saving trigger input to BDF file...
Replies: 5
Views: 15952

Re: Saving trigger input to BDF file...

I have a related question, which is: what should the Status channel in the BDF file look like? We provide a 0V - 5V, 1 second duration TTL through the trigger port on the USB2 box. I have tested in the Analog window I do see trigger channel 1 change colour. However, the Status channel in de BDF file...
by lexvanrooij
Thu Sep 20, 2012 4:29 pm
Forum: BioSemi Hardware
Topic: Headbox ACT32 problem if more than 8 channels measured
Replies: 8
Views: 12821

Headbox ACT32 problem if more than 8 channels measured

We have a Headbox ACT32 connected to an AD-box at channels B1-B32. When we connect more than 8 electrodes (i.e. C9 and up) the electrode offset of ALL electrodes goes to its maximum value. We are taking care of good connections for all electrodes. Furthermore, we have CMS/DRL connected to the AD-box...