Monitoring Mode
4-26 Operating Modes
Battery Charge Status
The battery charge indicator displays in the Status Area and communicates
the remaining battery charge time when using both AA batteries and the
rechargeable lithium-ion battery.
When the MX40 is initially powered-on, it takes approximately 25 seconds
for the indicator to populate. During this time, the indicator displays a ? in
the battery icon.
In order to guarantee overall device performance, certain functionality is
disabled when the battery charge reaches critical levels. See the diagram
below for additional information about battery status.
When monitoring SpO2 and the battery reaches a low battery state, the Tele
Battery Low INOP is displayed for approximately 10 minutes. After this
time period, No SpO2T, Batt Low and Tele Battery Low are displayed for
an additional 10 minutes (approximate). If you need to continue to monitor
SpO2, replace your batteries during the initial Tele Battery Low period.
Once the time period has elapsed, a 3rd INOP is displayed - Tele Replace
Batt/Tele Batt Empty. This INOP is displayed for at least 10 minutes, but
can also display for several hours depending on your environment. During
the Tele Replace Batt/Tele Batt Empty period, the MX40 will continue to
send ECG monitoring information to the Information Center for as long as
possible. Once battery power is completely depleted, monitoring will stop
completely and 2 INOPs are displayed at the Information Center Replace
Tele Batt/Tele Replace Batt (or Tele Batt Empty) and No Signal/No Data
Tele. Failure to replace battery power in a timely manner will cause
monitoring and physiological alarms to cease.
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