Cedrus manufactures a StimTracker adapter board that makes it possible to interface with ANT Neuro ASA-Lab EEG amplifier and recording software using a standard DB25 cable. This document describes the signals that the adapter board makes available.
The trigger value is as seen in the ASA software. See also the note in Using StimTracker about the rate at which the LEDs flash in StimTracker’s front panel.
StimTracker Signal
Trigger Value
Comments
Light sensor 1
1
Light sensor 2
2
TTL input
4
StimTracker will send output to channel 3 when it detects input on any of the six TTL/digital input lines.
Audio L+R
8
StimTracker will send output to channel 4 when the volume rises above the preset threshold on either the left audio channel or the right audio channel.
Microphone
16
Event marker bit 0
32
Event marker bit 1
64
Event marker bit 2
128
Last Revision: Dec 14, 2010
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