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Maintaining the battery
The performance of rechargeable batteries may deteriorate over time. It is recommended to check and
maintain the batteries regularly every 3 months.
1 Disconnect the patient from the device and stop all measurement.
2 Switch off the device, connect it to main source power, install the battery and fully charge it.
3 Disconnect the device from main source power, switch on the device and let the device run until there
is no battery power left and the device shuts off.
4 Reconnect the device to main source power and charge the battery until it is full for use or charge to
40%~60% for storage.
NOTE
Do not use the device on a patient during the battery maintenance.
NOTE
Do not interrupt the battery maintenance process.
Storing the battery
Remove the lithium battery and store it at a cool and dry environment if the lithium battery or the device is
not used for a long time. Charge the batteries to 40%-60% for storage. Check and maintain the batteries
regularly every 3 months. For more information, please refer to Section Maintaining the battery.
NOTE
When storing batteries, make sure that the battery terminals do not come into contact with metallic
objects.
NOTE
The service life of the battery will be shortened if it is stored at high temperature for a long time. Storing
batteries in a cool place can slow down the aging process. The ideal storage temperature is 15 °C.
Checking battery performance
The performance of rechargeable batteries may deteriorate over time. If you suspect that the battery may
have failed, check the battery performance.
Refer to Step 1~Step 3 in Section Maintaining the battery and record the running time of the battery which
reflects the battery performance directly. If the running time is obviously less than the specified time in the
specification, the battery may have reached its service life or malfunctioned, please change the battery or
contact the service personnel. If the running time meets the specification, then the battery can continue to
be used normally.
Replacing the battery
WARNING
Replacement of lithium batteries or fuel cells by inadequately trained personnel would result in an
unacceptable risk (e.g., excessive temperatures, fire or explosion).
Vista 120 SC – Supplement
15
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