Duo™ Service Manual 0070-10-0604-01 1 - 1
1.0
Theory of Operation
1.1 Introduction
The Duo is a compact, lightweight, portable patient monitor intended for monitoring the
following vital signs: blood pressure, SpO
2
(optional), and pulse rate on adult and pediatric
patients. The Duo monitor can be powered by either the internal rechargeable Lithium-Ion
battery or external 100~240 volt 50/60 Hz AC.