MAGSTIM NEUROSIGN V4, Service Manual, Page: 45 / 50

The Magstim Company Ltd.©
45
NOP20-EN-03
6.2 Technical Specification
a. Main unit
Screen 15” Colour LCD, 1024 x 768 pixels
Display
Bar graph range 30µV – 30mV peak to peak
Bar graph resolution 16 segments, logarithmic
Waveform amplitude ranges ±25µV, ±50µV, ±100μV (default) , ±200µV, ±500µV,
±1mV, ±2.0mV, ±5mV, ±10mV, ±20mV, ±30mV
Accuracy 2% of FSD
Waveform time base ranges 12.5ms, 25ms (default) , 50ms,
100ms, 500ms, 1s, 5s, 10s
Accuracy 2% 12.5ms-1s; 5% 5s; 10% 10s.
Time base cursor accuracy 2%
Software See "6.4. System Details" on page 47
Rotary actuators 3:
Left dial - Primary stimulator stimulation setting (STIM1)
Right dial - Secondary stimulator stimulation setting (STIM2)
Centre dial - EMG response audio volume (Master Volume)
External connections EMG Amplifier Module (Pre-amplifier)
Trigger In
Trigger Out – Open Drain
Mute sensor
USB
EMG Audio 8.4W rms (95dBa @ 1m)
b. Stimulator pod
Primary Stimulator
Operational mode Constant Current or Constant Voltage
Current ranges 10µA – 10mA, in steps dependent on procedure.
Accuracy ±5%, into 1kΩ load