CPR Coaching Help PromptsVoice Text“Place hands” Place HandsPurpose: This reminds the user of the correct placement of hands for CPR.“Press”“Compress Chest”PressCompress ChestPurpose: This reminds the user to perform CPR compressions.“Tilt head back”“Pinch nose”“Give rescue breaths”Tilt Head BackPinch NoseGive “x” BreathsPurpose: This guides the user to prepare the patient for rescue breaths and to give breaths.“Breathe” BreathePurpose: This instructs the user to give rescue breaths. Each time the instruction is given, the user should give thepatient a rescue breath.4.8 Operational EnvironmentThe Defibtech AED is designed to operate in a wide range of environmental conditions. To ensure the reliability andsafety of the AED in a given environment, refer to the “Environmental” section in Chapter 10 of this manual for adetailed list of approved environmental conditions.4. Using The DDU-2000Series in AED Mode27DAC-A2510EN-BG