Close the battery compartment door.
Watch for the start-up screen on the front of the MX40 to illuminate
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, SpO
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.
Important— Do not "store" disposable AA batteries by leaving them in the
incorrect polarity position in the MX40.
Be careful not to short circuit the batteries. Batteries can get hot when
shorted. Short circuits are caused when a piece of metal touches both the
positive and negative terminals simultaneously. More than a momentary
short circuit will generally reduce the battery life. In case of a short circuit,
discard the batteries, or just the shorted one if the batteries are new.
mode, volume, etc.) are retained