Mindray BeneVision N1, Operator'S Manual

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BeneVision N1 Patient Monitor Operator’s Manual 8 - 7
2. Select the Alarm tab.
3. Enter the password if required. For more information, refer to 6.9.3 Selecting Password for User
Authentication .
4. Set alarm properties as desired.
8.5.3 Changing ECG Wave Settings
8.5.3.1 Selecting the Leads of Displayed ECG Waveforms
To select the leads of displayed ECG waveforms, follow this procedure:
1. Select the ECG numeric area or waveform area to enter the ECG menu.
2. Select the Setup tab.
3. Select ECG to set the lead of each ECG waveform.
4. If more than three ECG waveforms are displayed, select the More Leads tab, and then select ECG to set
leads of other ECG waveforms.
The waveform of selected lead should have the following characteristics:
■ The QRS complex should be either completely above or below the baseline and it should not be biphasic.
■ The QRS complex should be tall and narrow.
■ The P waves and T waves should be less than 0.2mV.
CAUTION
•
Ensure that you have selected the optimal leads with the best waveform amplitude and the highest
signal-to-noise ratio. Selecting the optimal leads is important for detecting beats, classifying beats,
and detecting ventricular fibrillation.
8.5.3.2 Changing ECG Waveform Size
If the ECG waveform is too small or clipped, you can change its size by selecting an appropriate Gain setting. To
do so, follow this procedure:
1. Select the ECG numeric area or waveform area to enter the ECG menu.
2. Select the Setup tab.
3. Select ECG gain to set the size of each ECG waveform.
4. If more than three ECG waveforms are displayed, select the More Leads tab, and then select ECG Gain to
change the sizes of other ECG waveforms. If you select Auto , the monitor automatically adjusts the size of
the ECG waveforms.
8.5.3.3 Changing Va and Vb Labels
When monitoring ECG with 6-leadwire. You can change the labels of Va and Vb leads. To do so, follow this
procedure:
1. Select the ECG numeric area or waveform area to enter the ECG menu.
2. Select the Setup tab.
3. Set Va and Vb according to the Va and Vb electrode sites. Default settings are Va and Vb .
8.5.3.4 Changing ECG Waveform Speed
To change ECG waveform speed, follow this procedure:
1. Select the ECG numeric area or waveform area to enter the ECG menu.
2. Select the Setup tab.
3. Set Speed .