Monitoring with the TM80 at the CMS Network Safety Information
TM80 Telemetry Monitor Operator’s Manual 13 - 3
13.2 Network Safety Information
13.3 Adjusting the Minimum QRS Detection Threshold
To avoid false asystole alarms when the R wave amplitude is low and missed asystole
alarms during ventricular standstill (tall P waves, but no QRS), a means to manually
adjust the minimum QRS detection threshold is provided.
To adjust the QRS detection threshold, follow this procedure:
1. On the ViewBed screen of the CMS, select the ECG digital area or waveform area to
enter the ECG menu.
2. From the ECG tab, select the QRS Threshold section.
3. Select the arrow buttons to adjust the QRS threshold. Selecting Defaults resets
the QRS threshold to the default value (0.16 mV).
CAUTION
• Wireless network designing, deploying, debugging, and maintenance
should be executed by Mindray service personnel or authorized techni-
cians.
• Always set the wireless network according to local wireless regulations.
• Keep network authentication information, for example password, safe,
protecting the network from being accessed by unauthorized users.
• Do not connect non-medical devices to the monitor network.
• If wireless network signal is poor, there may be a risk of CMS data loss.
• RF interference may result in wireless network disconnection.
• Disconnecting from the network may result in CMS data loss and func-
tion failure. Check the patient in case of network disconnection and
solve the network problem as soon as possible.
• Ensure that the TM80’s IP address setting is correct. Changing the net-
work settings may result in network disconnection. Contact your service
personnel if you have any problems on setting the IP address.
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