A&D TM-2440 Instruction Manual page 7

Device
Use the recorder for diagnosis and countermeasures only.
Confirm that the air hose and cuff are worn correctly. (Example : kink
and tension of the air hose, position and direction of the cuff)
Instructions for Patient Wearing the Device
Inform the patient how to suspend automatic blood pressure
measurement to stop the recorder when alone if trouble occurs.
Inform the patient to remove the recorder quickly when in pain or if any
trouble occurs.
Take care when using around babies and infants, as there is a
danger of suffocation with air hose accidentally.
3. Precautions for Batteries Used for Blood Pressure Measurement.
Install batteries in accordance with polarity signs "+" and "-"
shown on the inside of the battery cover. (Caution for polarities)
Replace consumed batteries to new ones at the same time.
Remove batteries if the recorder is not to be used for a long
period of time. The battery may leak and cause a malfunction.
Use two alkaline batteries (size AA) or specified re-chargeable
batteries (size AA, Ni-MH).
Push and hold the "-" spring terminal with the battery.
Slide and install the "+" terminal of the battery along the "+"
terminal of the battery compartment. If the battery is installed from
the "+" terminal, the battery cover may be damaged.
Do not touch the battery and patient at the same time. It
may cause an electric shock.
Do not mix an old battery with a new one. Does not use batteries
of different type and maker. If these use, it may cause of leakage,
heat and explosion. The malfunction of the recorder may occur.
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