Multichannel Systems MC_Rack Manual - Manual (Page 66)

MC_Rack Manual
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The command “Remove” eliminates the pattern in the list, which is highlighted in blue.
With “Up” or “Down” you can move the patterns to arrange them in that sequence you
like to apply them.
Click “Download” to download the list of stimulation patterns to the internal stimulus
generator of the MEA2100 headstage.
To start the stimulation patterns in the list mode, please use the “Trigger Start” in “Stimulus 1”
tab of this dialog. The trigger start in Stimulus 2 and Stimulus 3 tab will not be available,
but all three triggers run simultaneously.
The stimulation patterns from the list will be applied one after the other and change every
time the start condition defined for Stimulus 1 occurs and all three stimulator units are idle,
as described above. When the end of the list is reached, the software jumps back to the first
pattern and continues. When the “Restart” button is pressed, the software jumps to the first
entry in the list, respectively.
Use of the Digital Channel in the MEA2100
In contrast to the other MEA- and ME-Systems from Multi Channel Systems, the 16 input bits
of the digital channel are not all accessible for external trigger signals, but are mostly used for
internal communication between the different components of the MEA2100 system. Only the
first four bits are connected to the physical DigIn connectors on the front side of the MEA2100
interface board. Most bits are permanently assigned to certain functions. However, these settings
can be customized if necessary. Please see the channels assignments from the following table.
Bit 0 DigIn 1 Digital In channel 1
Bit 1 DigIn 2 Digital In channel 1
Bit 2 DigIn 3 Digital In channel 1
Bit 3 DigIn 4 Digital In channel 1
Bit 4 Stimulus 1 Stimulation pattern on channel 1
Bit 5 Stimulus 2 Stimulation pattern on channel 2
Bit 6 Stimulus 3 Stimulation pattern on channel 3
Bit 7 Zero not connected
Bit 8 RF 1 Real-time feedback specification 1
Bit 9 RF 2 Real-time feedback specification 2
Bit 10 RF 3 Real-time feedback specification 3
Bit 11 RF 4 Real-time feedback specification 4
Bit 12 RF 5 Real-time feedback specification 5
Bit 13 RF 6 Real-time feedback specification 6
Bit 14 RF 7 Real-time feedback specification 7
Bit 15 RF 8 Real-time feedback specification 8