If power to the wireless device with established communications is lost or removed, its network
connection will be dropped.
To turn power off to the MR400, press then hold the power switch for approximately 2 seconds.
For instructions on the complete removal of power to the MR400, see page 14-2.
Wireless Module Power-down
To turn power off to a wireless module, remove the battery (wSpO2 module) or batteries (wECG
After power‐up and until the initialization process completes, the touch screen may remain
blank. After initialization completes, the MR400 can begin monitoring functions from an initial
factory default state or from a pre‐configured state, depending upon the way the stored
configurations and patient data are programmed for startup.
Visually checking the patient and confirming changing measurements against other vital signs
should be standard routines during use.
3‐6 Getting Started Expression MR400 Instructions for Use
(Optional) If equipped with an IP5, ensure good communication
between the MR400 and the IP5 by checking the status information
pane (see page 2‐16).
Ensure proper operation of each patient parameter and alarms.
Refer to appropriate chapters in this manual.