Accu-Chek Compact Plus Reference Manual page 47

With the meter turned off, press the M button.

The meter turns on without advancing a test strip. The most recent
result and mem are displayed.
Press the S and M buttons at the same time.

The average of the results from the last 7 days is displayed.

The number of results used in the calculation is displayed at
top left (in this example: 30).

The number of days for which the average was calculated is
displayed at top right (in this example: 7).
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Using your meter as an electronic notebook
Press and hold down the M button.

As long as you hold the button down, the lowest blood glucose value
you obtained in the last 7 days is displayed along with its time and
date.
Press and hold down the S button.

As long as you hold the button down, the highest blood glucose
value you obtained in the last 7 days is displayed along with its time
and date.
When you release the buttons, the display reverts to the 7-day average.
Press the S and M buttons again at the same time.

The average of the results from the last 14 days is displayed.
For this period, too, you can request the meter to display the lowest
and the highest values. To do this, press and hold down the M and S
buttons, respectively.
Using your meter as an electronic notebook
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