Welby ABO 523 Manual Del Usuario página 28

Operation
1. Take the blood pressure monitor out of the packaging.
2. Check to make sure the package contents are complete
(see Fig. on page 2).
3. Check whether the blood pressure monitor or individual
parts are damaged. If this is the case, do not use the blood
pressure monitor. Contact the warranty provider as
specified on the warranty card.
Operation
Inserting or changing batteries
Risk of damage!
Incorrect battery installation may damage
the blood pressure monitor.
− Make sure that the polarity of the batter-
ies (+ or -) is correct.
28
NOTICE!