Service Menu
63
Document no. M1144955-001
4.14 BIS
Service menu for BIS Module, E-BIS or M-BIS, for Bispectral index measurements.
Module service page
Check Sensor
activates the sensor impedance check.
Module
Measurement
indicates if BIS Engine is on: ON/OFF.
Imp. Check Key
indicates that the key in the module
front panel works properly.
Bis Menu Key
indicates that the key in the module
front panel works properly
.
Impedance Meas
indicates the impedance
measurement mode. The modes are CYCLIC/
COMBINED/GROUND/OFF.
BIS Engine errors:
error messages created by DSC or
BIS Engine. For a detailed description of the error
message see
Table 11 BIS Engine and DSC error
Statuses (HEX):
See
General Status1
indicates the general status of the
module. For a detailed description of the message
see
.
Bis_status1
indicates the BIS Engine status. See
for a detailed description of the
message.
Msgs to BE
number of data packages sent from the interface board to BIS Engine.
Msgs from BE
number of data packages sent from BIS Engine to the interface board.
Mod Mon Timeouts
is a cumulative number that indicates how many times the module (interface board) has
not responded to the monitor’s inquiry.
Mod Mon Bad Checksum
is a cumulative number that indicates how many times there has been an error in
the message from the module (interface board) to the monitor.
Mon Mod Bad Checksum
is a cumulative number that indicates how many times there has been an error in
the message from the monitor to the module (interface board).
Bad Checksums from BIS
is a cumulative number that indicates how many times there has been an error in
the message from the BIS Engine to the module interface board.
RAM
indicates the state of the RAM memory.
ROM
indicates whether the checksum at the EPROM is in accordance with the one the software has
calculated.
EEPROM
indicates if the values stored in the permanent memory are valid.
The states in memory checks are
OK, Fail
or
?
(module not in place or a communication error).
Measured parameters indicated:
BIS
indicates BIS index; range 0...1000 (corresponds to 0...100)
SQI
indicates signal quality index; range 0...1000 (corresponds to 0..100)
EMG
indicates EMG activity level; range 0...10000 (corresponds to 0...100dB NOTE! On the display, EMG will
be shown between 30...55dB on the bar graph or 30...80dB on the trend)
SR
indicates supression ratio; range 0...100 (corresponds to 0...100%)
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