BCI WW1020 Operation Manual page 26

Chapter 4: Operating Instructions
After connecting to power, verify that the green External Power Indicator is lit.
External Power
Indicator
If an AC source is present, the oximeter will draw power from it first. While the oximeter is
operating from an AC source, the External Power Indicator (
If there is enough power, the WW1090 Lithium-Ion (LI+) rechargeable battery pack will also
charge, if installed. The battery charge indicator (
level. As the battery charges, more green segments will light, until all four are lit.
NOTE: The AC Power supply does NOT charge "AA" (LR6) alkaline batteries.
If no external power source is available, the oximeter will draw battery power. When the battery
charge is low enough, the Battery Indicator shows one yellow segment. When the battery has less
than approximately 10 minutes of charge left, that segment will flash.
If no AC source is available, the oximeter will operate from an external USB source only when
attached to a WW1089 USB Interface Cable and energized USB connection. In this case, the
external power indicator lights. If enough power is available, the optional WW1090 Lithium-Ion
(Li+) rechargeable battery pack will trickle charge.
4-2
Figure 4-1: External Power/Charge Indicators
) will display segments showing the charge
Battery Charge
Indicator
) will illuminate.
Clinician's Operation Manual