User manual

Blackrock Microsystems CereStim R96 - User Manual
Rev. 1.00 ® Page 8
LB-0432
Pulses Panel (5): This panel allows the user to define up to 16 different stimulation patterns. The available
features are as follows:
Config Id: This drop down box allows the user to select an identification number for up to 16
different pulse configurations. Config 0 is used in the Test Modules and Test Electrodes functions
and should not be changed.
Wave Form: The user can set the stimulator to generate either the Anodic or Cathodic phase of the
biphasic pulse first. The pulse figure in the lower left-hand corner of the Stim Manager Window
indicates whether a selected pulse configuration is ‘anodic first’ or ‘cathodic first.’
Number of Pulses: 1-255 biphasic pulses are available for each Configuration ID.
Range of Interpulse Delay: 53-65,535 µs
Range of Interphase Delay: 53-65,535 µs
Range of Amplitudes (Phase I & Phase II): 1-215 µA
Phase Width (Phase I & Phase II): 44-65,535 µs
Fast Discharge: The nature of the CereStim R96 implies that there may be some undesirable
effects in the output waveform. The Fast Discharge parameter enables a 100 Ω resistor at the
generator output that removes any undesirable effects and cleans up the waveform. NOTE: The
user should analyze the possible consequences of enabling this option in experiments.
Add: After defining the parameters of the pulse, click ‘Add’ to add the new pulse configuration to
the Configuration ID Panel (4). All new pulse configurations created by the user must be added to
the Configuration ID Panel before the user can begin stimulating.
NOTE: Stim Manager enforces balanced charge in the biphasic pulse configurations created by the
user. In the event that the user creates a pulse with an unbalanced charge, the software will
produce an error message notifying the user that the parameters of the biphasic pulse must be
modified to balance the charge.
Remove: In order to remove a pulse configuration from the Configuration ID Panel (4), click on the
Configuration ID number that is to be deleted and click the ‘Remove’ button.
Remove All: This feature allows the user to delete all pulse configurations in the Configuration ID
Panel at the same time.
Hz: This box reports the frequency (Hz) of the pulse configuration based on the user inputs for the
interpulse delay, interphase delay, width of phase I and width of phase II.
Cathodic First
Anodic First
Figure 3-9: Cathodic and Anodic Pulse Figures