Use Instructions

Battery Information
Basic Operation 4-19
 Insert AA batteries into the MX40 using the following
procedure:
1 Open the battery compartment by lifting up on both bottom sides of the
compartment door.
2 Insert the AA battery tray if not already present.
3 Insert three AA 1.5V Alkaline batteries, matching the polarity with the +
indications inside the compartment.
Note—all batteries are inserted with the + polarity in the same direction.
Use of AA batteries is not supported with the WLAN MX40 (Model
Number 865352). Use only the rechargeable lithium-ion battery.
4 Close the battery compartment door.
5 Watch for the start-up screen on the front of the MX40 to illuminate
briefly.
Removing the Batteries
Batteries should be removed when the MX40 is not in use or is being stored.
To remove the batteries, open the battery compartment door and push from
the opening at the bottom of the compartment to pop the batteries out.
Device settings (patient cable type, SpO2 mode, volume, etc.) are retained
when the batteries are removed.
Do not use AA batteries that have different energy levels remaining. Fresh
AA batteries are recommended for each new application.