7-11 
 
3. Select [Calibrate Automatically] to enter the screen shown below. Select the required 
calibration device. 
 
Connect a calibration device with the anesthesia machine using a communication cable. The 
calibration device can be the VT or Fluke VT Plus.   
  The following figure shows the ports on the VT and the corresponding settings: 
 
 
 
 
 
Use a dedicated communication cable to connect the communication port on the calibration device 
to the calibration communication port on the anesthesia machine. There are two modes of 
communication connection between the calibration device and the anesthesia machine.   
 
The following figure shows the two types of communication cables A and B used on anesthesia 
machine calibration devices.   
Calibration 
communication port 
Power 
in
rf
 
Large flow inlet 
(0 ~ 120 L/min) 
Large flow outlet 
(0 ~ 120 L/min)