Welch Allyn 20хEL Propaq Encore Vital Signs Monitor - Reference Guide - Manual (Page 170)

Welch Allyn 170 Propaq Encore Reference Guide
Window
An area on the display screen in which information is displayed.
YSI
An acronym for Yellow Springs Instrument Company.
Zeroing
The process by which an invasive pressure zero reference is obtained so that pressures can be
related to atmospheric pressure. This process also nulls out any residual pressure indicated
by a transducer with zero pressure applied.