high impedance values with Ultracortex ?
I recently got the Ultracortex Mark IV headset with Cyton + Daisy 16-channel and dry electrodes. But I haven't been able to pass all the impedance checks. Do you know what I'm doing wrong? I made sure that all the electrodes touch my scalp and the best I got was this. 
I already tried to use the 5mm dry comb electrodes but that didn't help either.
Any advice or tips would be appreciated!
Comments
Hi Max,
See this related thread comment, talking about typical / expected passive dry impedance ranges with Ultracortex.
https://openbci.com/forum/index.php?p=/discussion/comment/13328/#Comment_13328
From this thread,
https://openbci.com/forum/index.php?p=/discussion/2517/expected-impedance-range-with-ultracortex-cyton-resolved
It's possible that the default thresholds being set in the GUI Impedance Widget (lower left corner), may be too high in your situation.
Regards, William
The default thresholds in the lower left can be adjusted by clicking on the text box and typing in a new value. Hope this helps!