Handheld pulse oximeter user’s manual5.4 SpO 2 Displayz Parameter DisplayFig 5-1 SpO 2 parameter1. SpO2 label 2. High alarm limit of SpO 2 3. Low alarm limitof SpO 2 4. SpO 2 value 5. SpO 2 unitz Waveform DisplayFig 5-2 SpO2 waveform5.5 PR DisplayFig 5-3 PR parameter1. PR label 2. High alarm limit of PR 3. Low alarm limit ofPR 4. PR value 5. PR unit51 52431 5234