3-14  BeneLink Module Operator’s Manual 
Monitor output: parameters from Draeger Perseus A500 anesthesia machine 
Label  Description  Trend, record, print 
EtSev  End-tidal anesthetic agent  Yes 
EtHal  End-tidal anesthetic agent  Yes 
MVspn  Spontaneous breathed minute volume  Yes 
MV  Minute volume  Yes 
Tapnea  Apnea time  No 
ΔO2 
Difference between inspiratory and 
expiratory O
2
   
No 
RRCO2  Respiratory rate of CO
2
  Yes 
FiCO2  Fraction of inspired carbon dioxide  Yes 
EtCO2  End-tidal carbon dioxide  Yes 
N
2
O Flow  N
2
O flow  No 
Air Flow  Air flow  No 
O2 Flow  O
2
 flow  No 
FiAA  Inspired anesthetic agent  Yes 
EtAA  End-tidal anesthetic agent  Yes 
FiAA 2nd  2nd Insp. Agent  Yes 
EtAA 2nd  2nd Exp. Agent  Yes 
FiO2 
Fractional concentration of O
2
 in inspired 
gas 
Yes 
EtO2  End-tidal O
2
  Yes 
VTi  Inspired tidal volume  Yes 
FiCO2%  Fraction of inspired carbon dioxide  Yes 
EtCO2%  End-tidal carbon dioxide  Yes 
ΔO2 % 
Difference between inspiratory and 
expiratory O
2
   
No 
EtO2%  End-tidal O
2
  Yes 
FiO2% 
Fractional concentration of O
2
 in inspired 
gas 
Yes