Alpha MED Scientific MED64 Manuel d'utilisation - Page 5

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Back Panel

(13) INPUT

For connecting to the MED probe, through the MED-CO3 connector, to the amplifier.

(14) OUTPUT(1-32CH)

For connecting the output of channels 1-32 to the to the first A/D board in the computer.

(15) OUTPUT(33-64CH)

For connecting the output of channels 33-64 to the to the second A/D board in the computer.

(16) SIGNAL OUTPUT

BNC connectors used to send analog outputs from selected recording channels to an external amplifier, signal

processor, or other device (e.g. - oscilloscope).

(17) STIMULUS EXT 1

For connecting to an external stimulus isolation unit. Outputs the EXT 1 trigger pulse from the computer to the

external stimulator.

(18) STIMULUS EXT 2

For connecting to an external stimulus isolation unit. Outputs the EXT 2 trigger pulse from the computer to the

external stimulator.

(19) OPERATION IN

Input port for signals from exernal components.

(20) OPERATION OUT

Output port for signals to the external components.

(21) SIGNAL GND

A ground terminal for signals.

(22) ~ AC IN

Insert the AC power supply cord here.

Reference Electrodes

To optimize the signals from all 64 electrodes as recording/stimulating electrodes, reference electrodes

have been added. This allows differential recording to be made between each channel and reference

electrodes. It also optimizes the delivery of mono-polar stimuli, as they are delivered between the chosen

(recording) electrode and the reference electrodes.

MED probe

Reference electrodes