2-32 
 
Small-display CPU board 
2.2.3.6 Small Display 
An 8.4-inch 800×600 display with an LVDS connector is used to display the dynamic graph of 
ventilation, gas supply pressure, and vaporizer working status. 
2.2.4 Monitoring System 
2.2.4.1 Monitoring Board 
The monitoring board detects the pressure and flow of the anesthesia ventilator and anesthesia 
breathing system, controls valves, monitors and collects the status, reads the O2 concentration, 
reads the switch status, monitors the pressure and flow in the circuit, and accurately controls the 
tidal volume. 
The monitoring board is buckled to the motherboard. The monitoring board consists of the VCM 
and VPM, and is configured with the VCM and VPM function software. 
 
Installation position of the monitoring board