Defibtech DDU-2450 Series User Manual - Manual (Page 7)

Defibrillation energy is delivered as an impedance compensated biphasic truncated exponential waveform. In AED
Mode, the device delivers 150 Joules of defibrillation energy (into a 50-ohm load) when using adult defibrillation
pads and 50 J of defibrillation energy (into a 50-ohm load) when using child/infant pads (also known as pediatric
defibrillation pads). Energy delivered does not change significantly with patient impedance, although the duration of
the generated waveform will vary. In Manual Mode, the DDU-2400 (only) offers user-selected energy levels from
25 to 200 Joules.
Defibrillation and AED operating power is supplied by a replaceable (non-rechargeable) battery pack that provides for
long standby life and low maintenance operation. Each battery pack is marked with an expiration date.
The DDU-2000 Series AED records event documentation internally and, optionally, on Defibtech Data Cards (DDC
cards). The optional DDC card plugs into a slot in the AED and enables the AED to record event documentation and,
optionally, audio data onto the card. Audio recording is selectable through configuration settings. Event documentation
stored internally can be downloaded onto a DDC card for review.
A USB port is provided to perform maintenance and data recovery. The USB interface allows connection to a personal
computer. Defibtech PC maintenance software helps support event downloading and unit maintenance operations.
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