Troubleshooting Guide

Please select a topic from the following that best relates to your problem

Hardware | Experimental

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Hardware

Cables

Connector cable SCSI

• Problem: After stimulation, the stimulus artifact is not visible on the program.
  • Solution: Check to make sure that the connection is secure on both ends of the cable.
• Problem: The cable is very sensitive to the touch/movement.
  • Solution: DO NOT TOUCH this cable during the course of an experiment.
    This cable is a 68 pin SCSI cable specifically manufactured for the MED 64 connector. It has the tendency to pick up external electrical activity very easily. Therefore, a simple touch or movement can disrupt the signal for a few seconds, which may be detrimental to a sensitive experiment.
    
    In addition, covering the cable with foil may help with the reduction of electrical noise.

MED amplifier cable SCSI

• Problem: Upon stimulation, the stimulus artifact is not visible on the sight of the electrode.
  • Electrodes 1-32 and 33-64 are reversed. Switch the two SCSI cables b/c they are in the opposite position.
• Problem: After stimulation, the stimulus artifact is not visible on the Performer.
  • Solution: Check to make sure that the SCSI cables are completely secured into the MED64 amp and the NI-DAQ card slots.

Electrode (black, for stimulation)

• Problem: After stimulation, the stimulus artifact is not visible on the program.
  • Solution: Check to make sure that the connection is secure on both ends of the cable; if this is secure, then try using a new cable. If problems continue to persist, after attempting all possible solutions above, revert to the AMP section under 'connector/switch errors.'

Connector

MED-C01P (green with screw)

• This model is discontinued. For issues concerning the connector, please refer to manual of MED-C01P (download, PDF).

MED-C02P (green with clip)

• This model is discontinued. For issues concerning the connector, please refer to manual of MED-C02P ( download , PDF: 200 KB).

MED-C03P (black)

• For issues concerning the connector, please refer to our Connector page in the Products section.
• For more information, please refer to manual of MED-C03P on Connector page

Probe

Preparation

• For issues concerning the probe, please refer to our Probe page in the Methods section.

Cleaning

• For issues concerning the probe, please refer to our Probe page in the Methods section.

Duration

• For issues concerning the probe, please refer to our Probe page in the Methods section.

Amplifier

Connector/switch error

• Visible noise in one localized region.

Female plugs (front)

• What are they?
  • These connections are used for manual stimulation with the use of the MED64 system. The stimulation source (V1, F1, V2, F2) and that signal is relayed to a selected electrode 1-64.

BNC plugs (back)

• What are they?
  • These are output connections for external analysis, i.e. oscilloscope, speakers, etc.

Manual

• please go to our amplifier page in the products section and download it.

NI-DAQ fatal error

Check the function of the card through the NI's program, "Automation & Measurement"..

Computer hardware

Email or call the MED64 technical service line (1-888-560-6351).

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