How to Set the Time on a Mark of Fitness WS-820 Blood Pressure Machine

The time is set when you first power up the device. To reset the year, date, and time, remove a battery, then re-install it. You will be put into time-setting mode.

Press M1 and M2 to increase or decrease the value. Press START to set the value.

http://www.quickmedical.com/downloads/pdf/mark_of_fitness/ws820pv.pdf

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