28 - 4 BeneVision N Series Patient Monitor Operator’s Manual
28.4 BIS Display
28.5 Accessing the On-screen BIS Guide
The monitor provides the on-screen BIS guide to help you understand BIS monitoring functions and operating
procedure.
To access the on-screen BIS guide, follow this procedure:
1. Select the BIS numerics area or waveform area to enter the BIS menu.
2. Select the Introduction tab.
3. Select a tab as required.
◆ Select the Summary tab to view the BIS monitoring principles.
◆ Select the Target Patient tab to view the applicable patients for BIS monitoring.
◆ Select the Operation Guide tab to view the BIS monitoring procedure.
(1) BIS waveform
T
he display of BIS waveform area depends on the setting of
Display from the BIS menu. For more information, see
28.7.3Setting the Display of BIS Waveform Area.
(2) BIS
value
(3) SQI indicator
◆ Empty: SQI < 15%, unable to calculate BIS and secondary parameter values. BIS and secondary parameter
values are displayed as “---”.
◆ 1 to 2 bars: SQI 15% - 49%, parameter values are unreliable.
◆ 3 to 5 bars: SQI 50% - 100%, parameter values are reliable.
(4) EMG indicator
◆ Empty: EMG < 30 dB. BIS monitoring conditions are optimal.
◆ 1 to 4 bars: EMG 30 - 55 dB. BIS monitoring conditions are acceptable.
◆ 5 bars: EMG > 55 dB. BIS monitoring conditions are unacceptable.
(5) Secondary parameters
The displayed secondary parameters are configurable. For more information, see
28.7.5Setting the Displayed BIS
Parameters
.