.. _appendix_background_testbench:

======================
 Emotiv EPOC TestBench
======================

TestBench in action recording EEG. Dot marks the status of each
electrode: (*i*) green if connected; (*ii*) yellow if nearly
connected; (*iii*) read not connected - there is no skin contact at
all; and (*ii-ii*) black marks a reference.

.. image:: fig/emotiv_epoc_testbench.png
   :scale: 50 %
   :alt: Emotiv EPOC TestBench in action
   :align: left