Omron INTELLI SENSE HEM-711AC Instruction Manual page 32

CARE AND MAINTENANCE
Remove the batteries if the unit will not be used for three months or
longer. Always replace all the batteries with new ones at the same time.
Use the unit consistent with the instruction provided in this manual.
CAUTION
Changes or modification not approved by Omron Healthcare will
void the user warranty. Do not disassemble or attempt to repair the
unit or components.
CAUTION
Use only Omron authorized parts and accessories. Parts and
accessories not approved for use with the device may damage the
unit.
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