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Blackrock Microsystems Cerebus User Manual

Stimulation and recording switching
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Cerebus
Stim Switch 128 Channel
™
U
M
SERS
ANUAL
S
R
S
TIMULATION AND
ECORDING
WITCHING
(R
1.00)
EVISION
Blackrock Microsystems, Inc.
391 Chipeta Way, Suite G
Salt Lake City, UT 84108
Tel: (866) 806-3692
www.blackrockmicro.com

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Summary of Contents for Blackrock Microsystems Cerebus

  • Page 1 Cerebus Stim Switch 128 Channel ™ SERS ANUAL TIMULATION AND ECORDING WITCHING 1.00) EVISION Blackrock Microsystems, Inc. 391 Chipeta Way, Suite G Salt Lake City, UT 84108 Tel: (866) 806-3692 www.blackrockmicro.com...
  • Page 3 Cerebus Stim Switch 128-Channel Users Manual © Copyright 2010 Blackrock Micosystems, Inc. All rights reserved. Copying or other reproduction of this document is prohibited without prior written consent of Blackrock Microsystems, Inc. Cerebus is a trademark of Blackrock Microsystems, Inc.

  • Page 4: Table Of Contents

    Cerebus Stim Switch Users Manual Table of Contents 1 System Overview ..........................1 1.1 Packing List ................................1 2 Hardware ............................2 2.1 Stim Switch Control Module ............................2 2.2 Stim Switch Headstage Module ........................... 4 2.3 Computer Setup ................................5 2.4 Hardware Setup ................................5 2.5 External Gating of the Stim Switch using the Enable In input..................

  • Page 5: System Overview

    Cerebus front-end amplifier. Each Stim Switch can switch up to 128 electrodes (32 in each bank). The figure below shows an application overview of how a Cerebus Stim Switch fits into a complete stimulation system.

  • Page 6: Hardware

    Cerebus Stim Switch Users Manual Hardware Stim Switch Control Module The Stim Switch Control Module interfaces the Headstage Module with the digital control computer and analog stimulation source. Stim Switch configuration is accomplished using the StimComm program described in Section 3.

  • Page 7: Figure 2-3: Db-37 Stimulator Connection Layout

    Cerebus Stim Switch Users Manual Table 2-1: Behavior of the Enable In Port Voltage Behavior 3.3 V Normal Operation. All channels behave as set by the StimComm software. All channels set to recording mode when the StimComm software is set to either recording or stimulation mode.

  • Page 8: Stim Switch Headstage Module

    Samtec (www.samtec.com) and is designed to mate with the ICS family of array holders from Blackrock Microsystems. Please refer to the Cerebus User Manual or contact a Blackrock sales representative for more information on the Figure 2-5 Stim Switch Headstage Module different connectors available for use with the Stim Switch headstage module.

  • Page 9: Computer Setup

    Menu Options in section 3 for instructions on changing COM port settings). Hardware Setup 1. Unpack all components of the Cerebus Stim Switch. 2. Connect the USB port on the Stim Switch to a USB port on the computer with the USB A-B cable that is included in the packaging.
  • Page 10 Cerebus Stim Switch Users Manual 3. Using the StimComm software, select the desired channels for stimulation by checking the boxes next to the electrode numbers and pressing the ‘Set Electrodes’ button. Electrode numbers can be selected independently for each bank of stimulation channels by selecting the tabs at the top of the window.

  • Page 11: Stimcomm Software

    StimComm desktop shortcut that was created by the installation program, or by launching the StimComm.exe program in the installation directory, C:\Program Files\Blackrock Microsystems\StimComm. The main features of the StimComm program are described below, following the screenshot of the program’s main window.
  • Page 12 Cerebus Stim Switch Users Manual Control On: This mode allows for continuous stimulation of the selected bank. The Control On feature can be used as a method for manually controlling switching between stimulating and recording. Turn stimulation on by pressing the ‘Set Stim’ button. Click the ‘Set Record’...
  • Page 13 Cerebus Stim Switch Users Manual button must be pressed after each timing cycle in order to begin timing again. This button can also be used to manually stop the timing cycle. Active Timer Panel (5): This panel displays the banks that are actively undergoing periodic switching after the ‘Start Timer’...

  • Page 14: System Specifications

    < 1 µs when using the Enable In input to switch between modes 10ms when using StimComm to switch between modes Maximum Time after switching < 5 ms using Fast Settle modified Cerebus Front End Amplifier before action potentials are valid < 4 s using unmodified Cerebus Front End Amplifier...

  • Page 15: Troubleshooting

    Check the fuses behind the panel above the power supply plug on the back of the unit and replace them if necessary. Ensure that the rotary voltage selector is set correctly for your line voltage (either 110 V or 220 V). If that doesn’t work, please contact Blackrock Microsystems for additional troubleshooting or to initiate an RMA.
  • Page 16 Cerebus Stim Switch Users Manual Switch Control Module should be green. If it is red try disconnecting the Stim Switch cable and ensuring that both ends are plugged into the Headstage Module and the Control Module correctly. They are keyed and should only be inserted one way.

  • Page 17: Warranty

    Return Merchandise Authorization In the unlikely event that your Cerebus system needs to be returned to Blackrock for repair or maintenance, do not send any equipment back without a Return Merchandise Authorization Number.

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Cerebus stim switch 128 channel

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