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A: Signal I.Q. (SIQ) bar is a signal quality indicator, most useful during motion and low perfusion situations. The LED rises and falls with the pulse, its height indicating signal quality.
When Signal IQ is low, the display turns red, identifying suspect SpO2 and Pulse Rate values.

B: The Alarm Status Indicatorflashes when an alarm condition is present.

C: Perfusion Index (PI) indicates arterial pulse signal strength. PI may be used as a diagnostic tool during low perfusion for the accurate prediction of illness severity.2 The PI display is green when perfusion index is greater than or equal to 0.5 (left graphic) while the PI display is red when perfusion index is less than 0.5.

One touch alarm limits access

Rad-8 Back Panel: Serial output to compatible devices and nurse call interface.