Mindray BeneVision N22 User Manual

27 - 8 BeneVision N22/N19 Patient Monitor Operator’s Manual
27.8.2 Manual Sensor Check
To manually start a sensor check, use either of the following method:
■ Press the sensor check hardkey on the BIS module.
■ Select the Sensor Check tab from the BIS menu.
The monitor enters the sensor check window after you start the sensor check. The sensor check window displays
the following items:
■ Sensor Type
■ The status of each electrode
■ Expiration time or usable cycles
NOTE
• For different types of sensors the sensor check window may be different.
The color of each electrodes indicates its status:
Although BIS may still be measured when the electrode status is
Noise or High, for best performance, all
electrodes should be in
Pass status.
The sensor check may fail for the following reasons:
■ Impedance too high
■ Incorrect sensor application
■ Poor sensor connection
■ Defective patient interface cable or sensor
To correct the situation:
■ Recheck the sensor
■ Reapply the sensor according to instructions
■ Check sensor connection
■ Replace patient interface cable or sensor
Color Status Description Action
Red Lead off Electrode falls off and has no skin
contact
Press the sensor more firmly to skin to ensure
good sensor-to-skin contact. If necessary,
remove the sensor, and then clean and dry the
skin. Reapply the senor or replace the sensor.
Grey Noise The EEG signal is too noisy. Impedance
cannot be measured
Press the sensor more firmly to skin to ensure
good sensor-to-skin contact.
Yellow High The impedance is above the limit Press the sensor more firmly to skin to ensure
good sensor-to-skin contact.
Green Pass The impedance is within valid range No action necessary.

Mindray BeneVision N22 Specifications

General

Brand	Mindray
Model	BeneVision N22
Category	Monitor
Language	English