Five useful hints about the external pacemaker PACE Model 203

5 points should be known for basic understanding of the external pacemaker PACE Model 203: 1. An acoustic signal is always combined with a display message 2. The unlock button 3. The emergency button: DOO 4. The switch-off modes, Off and Standby 5. The battery change The 5 points presented are also applicable to the external three-chamber pacemaker PACE model 300.