VCV, PCV, SIMV, PSV, and optional ecoFLOW (for low-flow oxygen tracking). 15-inch color touchscreen interface. Gas Scavenging
Section 8.4 – Vaporizer Calibration.
A: GE recommends every 6 months or after 1,000 operating hours, whichever comes first. High-volume ORs may need quarterly service. ge carestation 650 service manual