Cardiac Science Burdick 8500 Product Safety Manual page 19

Before operating
Before using the ECG device for the first time, you must connect
the ECG device to power and charge the battery. Connecting the
device to AC power charges the battery.
Note: The battery must be charged for six hours before the ECG
device can be operated on battery power alone. To charge the
battery, connect the unit to AC power.
Charge the battery
After the battery is fully charged, you can use the ECG device on
battery power or keep it connected to AC power. Monitor the
power indications to prevent the battery from completely
discharging.
When operating on battery power, press On/Standby to power
off the device between tests.
Caution: Data loss.
The battery pack must be installed at all times for proper
operation.
During normal operation, the following power indications are
displayed
Display Description
AC Indicates the ECG device is connected
to AC power.
Bat Indicates the ECG device is not
connected to AC power and is running
on the battery.
70-01047-01 B
System setup
Action
none
none
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