Datex-Ohmeda Aestiva 7900 SmartVent Technical Reference Manual page 152

6 Maintenance
w WARNING
w WARNING
6-2
Do not perform testing or maintenance on this instrument while it is
being used to ventilate a patient. Possible injury can result.
Items can be contaminated due to infectious patients. Wear sterile
rubber gloves. Contamination can spread to you and others.
05/04 1006-0453-000