Calibration Warnings, Precautions, and Notes Calibration
4 - 4 046-001141-00 A5/A3™ Service Manual
NOTE: Use surgical gloves whenever touching or disassembling valves or 
other internal components of the Breathing System.
NOTE: Ensure that the gas supply of the machine always complies with the 
technical specification.
NOTE: The APL Valve and PAW gauge marker are for reference only. Calibrated 
patient airway pressure is available on the ventilator screen.
NOTE: If the machine should show faults during the initial calibration or 
testing, the machine should not be operated until the fault has been 
repaired by a qualified service technician.
NOTE: After servicing, functional, sensor and system tests must be carried out 
before clinical use.
NOTE: To accommodate additional monitors and other equipment the 
anesthesia offers up to two vertical mounting tracks. Use of 
unauthorized mounting accessories is not recommended.
NOTE: Always secure any equipment placed on the top shelf of anesthesia