E80/E70 Digital Electrocardiograph User’s Manual
6-3
with wire; otherwise, there will be risks of fire.
Only the person be trained or having a good understand of the device
can take apart the battery compartment and replace the battery.
Lithium battery shall be plugged or pulled in turn-off status;
otherwise, white screen and system halt, etc. will be caused.
6.3 Optimizing Battery Performance
A battery needs at least two optimizing cycles when it is put into use for
the first time. A battery cycle is one complete, uninterrupted charge of the
battery, followed by a complete, uninterrupted discharge of the battery. A
battery should be conditioned regularly to maintain its useful life. Condition a
battery once when it is used or stored for two months, or when its run time
becomes noticeably shorter.
To optimize a battery, follow this procedure:
1. Disconnect the electrocardiograph from the patient and stop all monitoring
and measuring procedures.
2. Place the battery in need of optimizing into the battery compartment to the
electrocardiograph.
3. Place the electrocardiograph in the charger stand and connect the AC mains.
Allow the battery to be charged uninterruptedly for above 6 hours.
4. Remove the AC mains and allow the electrocardiograph to run from the
battery until it shuts off.
5. Replace the electrocardiograph in the charger stand and connect the AC
mains. Allow the battery to be charged uninterruptedly for above 6 hours.
6. The optimizing of the battery is over.
6.4 Checking Battery Performance
The performance of a battery may deteriorate over time. To check the
performance of a battery, follow this procedure:
1. Disconnect the electrocardiograph from the patient and stop all monitoring
and measuring procedures.
2. Place the electrocardiograph in the charger stand and connect the AC mains.
Allow the battery to be charged uninterruptedly for above 6 hours.
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