User Manual Manual

22 Operation Welch Allyn 1500 Patient Monitor
Power supply
Mains connected
When the mains supply is connected, the mains LED is illuminated (a). When the mains
supply is connected, and the battery is recharging both mains LED (a) and the battery
LED (b) are illuminated.
For battery recharging see “Recharging the battery” on page 101.
Mains interrupted
Disconnect from the mains
To isolate the monitor from the mains, disconnect the mains cable.
a b
Note
If the mains supply is interrupted, the monitor automatically switches over to
battery operation. The user settings are maintained.