Omron HEM-431CAN Instruction Manual page 11

SETTING THE DATE AND TIME
5. SETTING THE HOUR
The time is set using AM or PM.
Press the MEMORY button to advance by increments of one hour.
Press the Date/Time Setting button to set the current hour.
The minutes flash on the display.
6. SETTING THE MINUTE
Press the MEMORY button to advance by increments of one minute.
Press the Date/Time Setting button to set the current minute.
The unit is ready for measurement.
TO CHANGE THE DATE/TIME
1. Press the ON/OFF button.
2. Press the Date/Time Setting button.
3. When completed press the ON/OFF button to turn unit off.
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