AED Plus Trainer2 Operator's GuideLearning to perform lifesaving measures - such as CPR and defibrillation - on victims of sudden cardiac arrest can be difficult. Zoll's AED Plus® Trainer2 training AED (sold separately) looks and acts like a real AED without delivering actual shocks and includes many innovative features to support instructor and trainee alike. The AED Plus® Trainer2 Operator's Guide instructs users - both trainers and trainees - on the proper usage and maintenance of the device.