BeneVision N17/BeneVision N15/BeneVision N12 Patient Monitor Service Manual 3-19
1. Insert the BIS module to the monitor, connect the BIS module/cable to the Covidien Signal simulator,
signal generator.
2. Adjust the signal generator to produce a 90Hz, 35.4mV(RMS) sine signal to the Convidien Signal
simulator.
3. Set the time length of the review window to the shortest.
4. Verify the EMG value range from 65 to 75, and SQI value should be 100 displayed on Graphic Trends.
3.3.13 CCO/SvO
2
Tests
Interconnecting Function
Tools required:
None.
1. Connect and set the patient monitor and Vigilance monitor per the procedures in the Operator's
Manual.
2. Set the Vigilance monitor to Demo mode. Start the CCO and SvO2 tests in Demo mode.
3. Verify that the CCO/SvO2 numerics displayed on the patient monitor and Vigilance monitor are
consistent.
Output Performance
Tools required:
Multimeter
1. Connect the signal output end of the connecting cables of the CCO/SvO
2
module to the oscilloscope.
2. Select CCO Setup → Signal Output Setup and then select Simulated High Value from the pop-up
menu. Check that the amplitude of electrical level at the signal output port of ECG, MAP, CVP and
SpO
2
are 5±0.015 V, 5±0.25 V, 5±0.25 V and 10±0.5 V respectively.
3.3.14 NMT Tests
Performance Test
Method 1:
Tools required:
Resistance box
Multimeter
1. Set the resistance value to 1kOhm. Connect the stimulation electrodes to the two wiring terminals.
2. Set the multimeter to operate in DC mode. Connect the multimeter sensors to the NMT stimulation
electrodes, making sure that the sensor and electrode connected have the same polarity.
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