Welch Allyn Connex ProBP 3400 digital blood pressure device - User Manual - Manual (Page 32)

Charge the device
Charge the ProBP 3400 with the Welch Allyn-supplied power supply.
To charge the device:
1. Insert the USB B connector into the USB/external power connection port on the back of the
device.
2. Insert the other end of the USB cord into USB connector on the power transformer, then plug
the transformer into the main power source.
26 Power transformer Welch Allyn Connex® ProBP™ 3400 digital blood pressure device