Operator's Manual

Table Of Contents
Alarms and Messages
BIS™ Advance Monitor
Alarm Message Possible Causes Corrective Actions
Alarm
Priority
Replace the
sensor
system for more
than 24 hours.
UNRECOVERABLE
MONITOR ERROR
Restart the
monitor
A system error has
occurred. The
monitor may stop
operating.
1. Follow on-screen
instructions (if any).
2. Turn the monitor off,
then on again.
3. Replace monitor.
LOW
BISx
UNRECOVERABLE
ERROR
Disconnect and
reconnect BISx
o Poor connection
between BISx
module monitor
cable and monitor.
o Defective BISx
module.
o Defective
monitor.
1. Disconnect and
reconnect the host cable.
Unplug and connect the
host cable.
2. Follow on-screen
instructions. If necessary,
power OFF and unplug
power cord to shut down
monitor completely. Then
plug in and restart monitor.
3. Replace the BISx.
4. Replace the monitor.
LOW
SQI MEDIUM
Excessive
artifacts in signal
SQI value is
medium,
indicating that
there are excessive
artifacts in the EEG
signal.
1. Attempt to identify and
eliminate artifact source.
2. Verify Sensor Check
passes. If not, replace PIC.
3. Replace BISX.
LOW
SQI LOW
Due to poor
signal quality
some parameters
are not available
SQI value is low,
indicating that no
data is available
due to poor EEG
signal quality.
1. Attempt to identify and
eliminate source of poor
signal quality.
2. Verify Sensor Check
passes. If not, replace PIC.
3. Replace BISX.
LOW