29 - 8 BeneVision N Series Patient Monitor Operator’s Manual
1. Select the NMT numeric area to enter the NMT menu
2. Select the Setup tab.
3. Set Pulse Width.
29.11.4 Enabling Block Recovery Notification
The block recovery note alerts you when the set limit is reached. This indicates that the patient is responding
more clearly to the stimuli and the neuromuscular block is decreasing. The note can be used, for example, to
help maintain a certain relaxation level.
To enable the block recovery note and set the limit for activate the note, follow this procedure:
1. Select the NMT numeric area to enter the NMT menu
2. Select the Setup tab.
3. Set NMT Block Recovery. If NMT Block Recovery is set to Off, the monitor will not give a note.
29.11.5 Adjusting NMT Stimulation Tone Volume
The monitor gives a beep at the selected volume at each stimulation pulse if the setting is not zero. To adjust the
volume of NMT stimulation tone, follow this procedure:
1. Select the NMT numeric area to enter the NMT menu
2. Select the Setup tab.
3. Set Stimulation Beep Vol.
29.12 Recalling Calibration Information
In the situation that the NMT module is power down, or you want move the NMT module to another monitor
along with the patient and you want to continue with the already determined calibration information, including
stimulation current, pulse width, and reference response amplitude, you can use the recall function.
To recall the calibration information, follow this procedure:
1. Select the NMT numeric area to enter the NMT menu
2. Select the Recall Reference tab.
3. Select Recall Reference.
29.13 NMT Troubleshooting
This section lists the problems that might occur. If you encounter the problems when using the equipment or
accessories, check the table below before requesting for services. If the problem persists, contact your service
personnel.
• For a comprehensive list of physiological and technical alarm messages, see DAlarm Messages.
Problem Solution
NMT calibration and measurement fail. 1. Check that the electrodes are properly applied.
2. Replacing the electrodes.
NMT measurement is disturbed. 1. Do not touch the arm where electrodes are applied.
2. Check that the electrodes and NMT sensor are properly applied.
Supramaximal current cannot be found. Check that the electrodes are properly applied. Also, supramaximal
current may not be found if the patient is already relaxed.
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