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Battery Operation
16. Battery Operation
The PPM3 contains a lithium-ion rechargeable battery that allows you to
disconnect the PPM3 from the wall power and use it for applications where
mobility is required.
When the PPM3 battery is fully charged, it provides for at least 4 hours of normal
operation. When the PPM3 is operating on battery power, a battery icon appears
on the PPM3 screen to the right of the time. The battery icon is designed to give
an approximate sense of how much battery life is remaining.
Figure 67. Main Screen With Battery Icon
When the battery is running out of charge, the battery icon starts to blink, a Low
Battery alarm message is displayed, and an alarm tone is annunciated. When this
happens, as little as 5 minutes of battery charge is remaining, and the PPM3
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April 2019
N i g h t i n g a l e P P M 3 U s e r ' s G u i d e
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