Power symbols
(LED off) No AC power is present Battery absent or faulty
(LED green) AC power is present, and
battery is charging. (LED amber) AC
power is present, and battery is charging.
Battery is charged to the indicated level
Alternating current Battery is charging
Dangerous voltage Battery door
Fuse Rechargeable battery
Protective earth Nonionizing electromagnetic radiation
Equipotential terminal Lithium ion
Connectivity symbols
USB
Ethernet (RJ-45 )
Shipping, storing, and environment symbols
This end up
Keep dry
Fragile Humidity limitation
Temperature limits Atmospheric pressure limitation
6 Introduction CP 50™ and CP 50 Plus™ 12-lead resting electrocardiograph