4 Using Batteries (with FM20/30 Battery Option)
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NOTE
The battery will discharge over time in a monitor that is not connected to AC via the external power
supply (M8023A). The reported values for "remaining capacity" and "runtime" will become less
accurate when the battery is stored in this way for a longer period of time (that is, several weeks).
Conditioning the Battery
You must condition the battery when the "battery requires maintenance" symbol shows on the Screen.
Do not interrupt the charge or discharge cycle during conditioning.
CAUTION
Do not use a monitor currently being used in order to condition batteries. The monitor switches off
automatically when there is no battery power left.
To condition the battery,
1 Charge the battery until it is completely full. Open the Battery Status window and check that the
Batt Fully Charged message is displayed.
2 Disconnect the monitor from mains power, and let the monitor run until there is no battery power
left and the monitor switches itself off.
3 Reconnect the monitor to mains power and charge the battery until it is full for use or charge to
50% for storage.
Battery Safety Information
WARNING
Use only Philips batteries part number M4605A. Use of a different battery may present a risk of fire
or explosion.
Do not open batteries, or dispose of them in fire, or cause them to short circuit. They may ignite,
explode, leak or heat up, causing personal injury.
If battery leakage should occur, avoid contact with skin. Refer to qualified service personnel.
Dispose of used batteries promptly and in an environmentally-responsible manner. Do not dispose
of the battery in normal waste containers. Consult your hospital administrator to find out about local
arrangements.
CAUTION
Do not disassemble, heat above 100°C (212°F) or incinerate the batteries, to avoid the risk of fire and
burns. Keep batteries out of the reach of children and in their original package until you are ready to
use them.
If battery leakage should occur, use caution in removing the battery. Avoid contact with skin. Refer to
qualified service personnel.
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