Welch Allyn CP 50 Plus 12-lead resting electrocardiograph - User Manual - Manual (Page 18)

Powering the electrocardiograph
The electrocardiograph runs on AC or battery power. Plug the electrocardiograph into AC
power as often as possible so that the built-in charger can keep the battery charged.
Regardless of the battery condition, you can use the electrocardiograph whenever it is
plugged in.
WARNING When you use AC power, always plug the electrocardiograph
into a hospital-grade outlet to avoid the risk of shock.
WARNING If the integrity of the building’s safety ground is in doubt,
operate this device on battery power to avoid the risk of shock.
To power up or power down
Press .
14 Setup CP 50™ and CP 50 Plus™ 12-lead resting electrocardiograph