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ENGLISH
BS% Indicator
The monitor includes a Burst Suppression indicator to show periods when the EEG is iso-electric or “flat”. The indication
appears in the upper left-hand side of the graph window in the display and shows the percentage of burst suppression
over the last 30 seconds of the EEG signal. A BS%=20 readouts means that the EEG has been iso-electric during 20% of
the last 30 seconds.
Signal Quality Indicator (SQI%)
SQI% measures the quality of the acquired EEG signal. The calculation is based on a number of artifacts during the last
minute. The quality is displayed numerically as a percentage (0-100%, 100%equals best signal quality) in Display Mode A.
Sensor Impedance
The impedance of the white and black sensors is continuously measured and displayed in Display Mode C. Low sensor
impedance values (typically between 1 and 3 kΩ) are essential for good monitor operation. A “<1 kΩ” readout means
that sensor impedance is optimal.
Sensor Alarm
The Sensor Alarm signals the interruption of reliable CSI calculation due to corrupted or interrupted EEG. This is usually
caused by the use of diathermia or a faulty sensor connection (high sensor impedance or disconnection of sensor leads).
Should any o these situations occur, the RED Error light (2) will turn on. The CSI is not calculated during these periods.
16.4 CSM Processes
Operation procedure for external CSM unit:
Step 1: Prepare the skin, place and connect sensors to the CSM patient cable.
Step 2: Connect patient cable to the CSM unit and ensure that its battery is available.
Step 3: Press the Power On button of CSM unit.
Note:
Always select a CSM Link ID (Serial No.) before turning on the CSM unit. When turn on the CSM unit, the CSM unit shows
a list of CSM Links found, select the one corresponding to the serial number displays on the right side panel of the patient
monitor (with the Event Key (8)), and then press the Set Event key (6) to accept it. When link has been established the
indicator Link will show a constant light.
If CSM Link connected the CSM Link serial number and software version will be shown. “- ” indicates no CSM Link
connected.
It’s strongly recommended to follow the specified steps and procedures for operation in order to obtain better signal
quality and accurate measurement result.
Operation procedure for CSM Plug-in Module:
Install CSM Plug-in box
→
Clean and prepare skin
→
Place the electrodes
→
Connect lead wires to CSM Plug-in box.
Step 1: make sure CSM Plug-in box is installed successfully
Step 2: clean and prepare skin
It’s recommended that the skin-electrode impedance should be less than 2k ohm in order to obtain good signal quality.
Before placing the sensors, the user should clean the skin with mild soap, and prepare the skin to remove the non-
conductive layer of the skin by filing off it with the sandpaper on the provided electrode.
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