A&D UA-789AC Instruction Manual page 12

Using the Monitor
3. Align the yellow Brachial Artery Marker on the cuff with the inside of
your left elbow and fasten the cuff securely.
4. This cuff has an indicator which tells you whether you are using the
correct cuff size or not. If the Index Mark falls within the Proper Fit
Range, you are using the correct cuff size.
Note: During measurement, it is normal for the cuff to feel very tight.
Adjusting the Built-in Clock
This monitor has a built-in clock that gives you the time and date and
can tell you when a blood pressure reading stored in memory was
taken. We recommend that you adjust the clock prior to use. To adjust
the clock, follow these simple steps:
1. Press and hold the clock button until the digits start blinking.
2. To select the year, press and release the START button (to fast
forward, press and hold the START button). When the current year is
selected, set the year by pressing the clock button.
3. After the year is set, follow step 2 to set the month, day, hour (AM/PM)
and minute on the display screen.
NOTE: The clock will go back to January 1, 2020 at 12:00 if the batteries are removed for
more than 30 seconds.
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