A.M.P.I. Master-9 User Manual Download Page 1 | Manualshive

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Master-9

Programmable

Pulse Stimulator

User Manual

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Summary of Contents for Master-9

Page 1: ...Master 9 Programmable Pulse Stimulator User Manual ...

Page 2: ...vanced 9 channel pulse stimulator that offers many distinct and useful features Master 9 is user friendly easy to learn and simple to program using user preprogrammed paradigms Please read this manual carefully and familiar yourself with all of Master 9 unique and advanced options ...

Page 3: ...E VER KEY 9 3 6 THE CLOCK KEY 9 4 OPERATING MODES 10 4 1 SETTING THE OPERATING MODES 10 5 SETTING PARAMETERS 11 5 1 THE PARAMETERS 11 5 2 SETTING THE TIME PARAMETERS 11 5 3 SETTING THE N PARAMETER 12 5 4 SETTING THE V AND V ΔV STEPS PARAMETERS 12 6 APPLICATIONS 13 7 THE CONNECTION TABLE 14 8 TRIGGERING 15 8 1 MANUAL TRIGGERING 15 8 2 SETTING THE INTERNAL CONNECTIONS 15 9 THE EXTERNAL TRIGGER INPUT...

Page 4: ... 22 13 3 2 Long waveforms up to 32K points 22 13 3 3 Downloading the waveform from the PC to Master 9 23 13 3 4 Running the saved waveform 23 13 4 RECORD AND DELIVER A WAVEFORM FROM AN EXTERNAL SOURCE 25 13 4 1 Record a waveform from an external source 25 13 4 2 The SAVE key 25 13 4 3 Replay the saved waveform 25 14 COMMUNICATION WITH A PC 26 15 CLOCKS 27 15 1 THE CLOCK CLK 27 15 2 THE STOPWATCH S...

Page 5: ...eful in the following cases When the current protocol requires modifications during the course of the experiment You can preset the modifications in different paradigms and then switch between the experiments easily When several users of a setup run different experiments Each user can retrieve his specific settings from the Master 9 memory All parameters of the 9 paradigms are stored in the memory...

Page 6: ...nloading and upgrading your Master 9 is free of charge 1 5 External Waveforms Channel 9 can save external waveforms in two ways 1 You can set an Excel file with the desired waveform and download it to channel 9 via the USB cable 2 Channel 9 can record input waveforms such as action potential sine wave etc The waveform can be recorded from an external source via the IN9 input The waveform is saved ...

Page 7: ...ction has 4 BNC sockets IN 1 2 3 inputs are used to externally trigger channels 1 2 and 3 Chapter 9 IN 9 is an analog input for the recording channel 9 Chapter 13 Output Section a Enable Disable Switch enables disables all outputs of Master 9 This switch is useful for cases where immediate stop of the stimulation is required Make sure that this switch is set to ENABLE b 12 output BNC sockets and L...

Page 8: ...ulse to its end 4 L deLay The 4th row defines the delay time the time that elapses from the beginning of the input trigger to the beginning of the output pulse 5 Interval The 5th row defines the Interval time the time that elapses between the beginning of a pulse and the beginning of the following pulse interval 1 rate 6 N Number The 6th row defines the number of pulses per train in the TRAIN mode...

Page 9: ... The left side of the screen displays the connection table At the moment as seen in figure 2 above there are no connections between channels see Chapter 7 3 4 The Paradigm key The Paradigm key is located above the connection table It displays P1 meaning that paradigm 1 is currently running Switch paradigms by pressing this key Chapter 10 3 5 The VER key The VER key is located under the connection ...

Page 10: ...ts Manual Trig key 4 1 Setting the operating modes To set the mode of operation of a channel first press the selected mode key and then choose the desired mode Example 1 Setting channel 1 to the FREE RUN mode 1 Press M1 Row M Column 1 This is the MODE of channel 1 now OFF 2 A new menu appears You can choose any mode of operation for channel 1 3 Press FREE Channel 1 now delivers pulses continuously...

Page 11: ...es the number of pulses per train in the TRAIN mode N also defines the number of ΔV steps if applied ΔV 0 when in the TRAIN FREE or TRIG modes V Voltage Defines the voltage amplitude of the pulses S shape Defines if the pulses are monopolar or bipolar pulses or ramps v ΔV steps Defines the voltage increment decrement steps if applied 5 2 Setting the time parameters To set the time parameters DURAT...

Page 12: ...o that INTERVAL DURATION 5 3 Setting the N parameter Example To set N 80 pulses per train for channel 1 Press N1 now 5 then press 80 ENTER 5 4 Setting the V and v ΔV steps Parameters Example To set V1 5 02 V Press V1 then press 5 02 Volt N defines the number of ΔV steps if applied ΔV 0 when in the TRAIN FREE or TRIG modes The minimal step is ΔV 0 01V 10 mV Table 1 Parameters Parameter Min Max DURA...

Page 13: ...pter 11 will enable you to practice programming of the Master 9 interval duration delay Channel 2 TRIG triggered by 3 1 N 4 44 Output A Out 4 Out 5 Channel 3 FREE RUN Run Channel 4 TRAIN triggered by 2 and 3 Channel 5 DC mode Output A 2 2 Figure 4 Triggered externally or manually Turned on and off manually ...

Page 14: ...arget channel is in mode TRIG TWIN TRAIN or GATE the modes in which the channel expects a trigger input The table in figure 5 represents an operational connection from channel 3 to channel 6 If you turn off channel 3 or channel 6 or if you set channel 6 to the FREE RUN mode this connection will switch to a non operational connection x Symbolizes that there is a connection between the two channels ...

Page 15: ... DC modes pressing its manual trigger key does not affect the channel 8 2 Setting the internal connections In the TRAIN TWIN TRIG or GATE modes you can trigger or gate the channel internally by other channels The proper connection should be set in the connection table as follows 1 Press anywhere inside the connection table A new screen with a larger connection table appears 2 The channels that app...

Page 16: ... TRAIN TWIN TRIG or GATE modes channels 1 2 and 3 can be triggered or gated externally through the BNC inputs IN 1 2 or 3 Channels 1 2 and 3 can activate the other channels internally The external input must be in the range of 3V to 10V ...

Page 17: ... screen view If you are using less than 4 channels you can set the screen to display only those channels which would be more convenient Example The screen displays channels 1 2 8 and 4 3 To eliminate channel 4 from view press on the channel number 4 4 A new menu appears Press 0 5 Now the screen displays three channels only 1 2 and 8 Channel 4 no longer appears on the screen but continues to operat...

Page 18: ...en switch to 1 11 2 Copying Paradigms Copying paradigms is very useful when you want to save a backup paradigm or to create a new paradigm by modifying an existing one Instead of programming a complete new paradigm you can copy the desired paradigm and modify it Example To copy the present paradigm to paradigm 6 Press key P1 then copy to 6 Paradigm 1 is not affected by this instruction 11 3 Cleari...

Page 19: ... b Press FREE c Channel 1 now delivers pulses continuously Since you have not set the time parameters yet the channel is running with its default times duration of 1 0 msec and interval time of 200 msec 2 Setting the interval time of channel 1 to 2 sec see Chapter 5 a Press I1 now 200 msec The present interval time is displayed at the top of the new menu b Press 2 then sec Notes While setting para...

Page 20: ...ween channels You don t have to worry about the amplitude or polarity of the trigger source You can add manual pulses by pressing 2 You can connect many channels to from a single channel and get complex patterns 6 Setting channel 3 to the TRAIN mode a Press M3 and then press TRAIN b Channel 3 is now in the TRAIN mode and is waiting for a trigger Manually trigger the channel several times by pressi...

Page 21: ...ot appear on the C output any more c Return to the main screen by pressing the RETURN key The connection table displays all the current connections Now you are ready to program the Master 9 Before you start programming you must clear the current paradigm Press keys P1 and CLEAR PAR This instruction clears the present paradigm ...

Page 22: ...y channel 9 on the touchscreen of Master 9 see chapter 9 Channel 9 can operate in one of the memory modes RUN or MEM 13 1 The RUN mode When in the RUN mode the output of channel 9 delivers the input that was captured in the IN9 input during the duration time of channel 9 The channel also stores the captured waveform in a temporary memory but not in the fixed memory MEM 13 2 The MEM mode When in th...

Page 23: ... TO CHANNEL 9 and browse to the desired CSV file e g RAMP CSV that was saved in 12 5 1 This saves the waveform in the MEM memory of channel 9 3 You can now disconnect the Master 9 from the PC 13 3 4 Running the saved waveform First switch channel 9 to the MEM mode as follows 1 Press the RUN key and then press MEM 2 Channel 9 will now deliver the saved waveform The 1000 points that were saved elaps...

Page 24: ... case of paradigm 9 the minimal time resolution from one point to the next point is 5 µsec Example 3 Long Waveforms If you saved a waveform using all 32K points and you set D9 163 8 msec you get a waveform with duration of 163 8 msec with time resolution of 5 µsec from one point to the next point total 32K points If you change now to D9 327 6 the resolution will be 10 µsec from one point to the ne...

Page 25: ... V9 X Vin Example If you want the output to be inverted and the output amplitude to be equal to 0 5 of the input amplitude set V9 0 5 Note The temporary memory and the MEM memory of channel 9 contains 1000 points Channel 9 samples the input on these 1000 points with interval time between one point and the next equal to D9 1000 Example You have a source of a sine wave and you want to capture a wave...

Page 26: ... your PC monitor Another powerful feature of this software is the Scheduler You can set a list of events that you want to happen at scheduled times such as triggering channels switching paradigms modifying time parameters etc 3 Master 9 SDK Software Development Kit Now you can also program and control your experiment from within your own application or software LabView Matlab VBScript etc using ou...

Page 27: ... to 1 hour Press the CLOCK key in order to see the clocks 15 1 The Clock CLK The clock is used to measure the time that elapses from an event e g beginning of the experiment The clock can be reset to zero by pressing the clock time The clock never stops running 15 2 The Stopwatch SW When you first press the STOPWATCH it starts running The next press stops it the next press resets it to zero and th...

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