Defibtech DDU-100 Series User Manual

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Shock related voice prompts:

“Charging” – This indicates that the DDU-100 AED has determined that a shock is recommended
and is charging the unit in anticipation of a defibrillation shock. Analysis will continue during this phase
and the “analyzing” LED will continue to flash green. A tone will sound to indicate charging progress.

If the unit detects a rhythm change to a non-shockable one, charging will abort and the user will be
prompted to begin CPR, if needed, for a period of two minutes.

“Stand clear” – This indicates that the DDU-100 AED is charging and that the operator and others
should stand clear of the patient. Analysis will continue during this phase and the “analyzing” LED will
continue to flash green. A tone will sound to indicate charging progress.

If the unit detects a rhythm

change to a non-shockable one, charging will abort and the user will be prompted to begin CPR, if
needed, for a period of two minutes.

“Press flashing shock button” – This indicates that the DDU-100 AED has fully charged, that the
heart rhythm analysis algorithm still indicates a shock is recommended, and the unit is ready to deliver
a shock. The operator should press the SHOCK button to deliver the shock. The “Shock” button will
flash during this phase.

SHOCK

• Off: No Shock indicated. Button is disabled, pressing the

button will do nothing.

• Flashing: Shock is recommended. The device is charged

and ready to shock. Button is enabled. Press the button to

administer shock.

“Shock ‘x’ delivered” – This indicates that the DDU-100 AED has delivered the shock. The ‘x’
indicates the number of shocks that have been delivered since the unit was turned on (note: if the unit
delivers more than 15 shocks during one on period, the count will get reset to “one” on the sixteenth
shock).

After each shock, the AED will enter Post-Shock CPR mode (see below).

“Shock cancelled” –

This indicates that the

DDU-100

AED has aborted shock mode and internally

discharged.

If while waiting for the shock button to be pressed, the unit detects a rhythm change to a

non-shockable rhythm, the unit will cancel the shock.

Also, if the shock button is not pressed within 30

seconds of the initial “press flashing shock button” prompt, the unit will automatically cancel the shock.

Note: The DDU-100 AED will not automatically deliver a shock – the user must press the SHOCK
button.

Note: At any time during the charging process or after the AED has been charged, the operator may
disarm the unit by pressing the ON/OFF button.