Document no. M1144955-001
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 
messages. 
Statuses (HEX): See APPENDIX A: How to read HEX 
numbers.
Ge n e r a l  S t a t u s 1  indicates the general status of the 
module. For a detailed description of the message 
see Table 9 Module general status.
Bis_status1 indicates the BIS Engine status. See Table 10 BIS Engine status 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%)