Accu-Chek COMPACT PLUS User Manual page 46

There are two types of beep tone, differing in pitch. The pitch for a hypo
indicator or an error message is higher than that heard in the other
cases listed above.
When Acoustic Mode is turned on, the meter guides you through the
blood glucose test using the beep tones mentioned above; it also
announces the result as a series of beeps (see Chapter 6).
The beep tone is factory-set to on ( ).
0n1
Beep tone turned on
Beep tone turned off Acoustic Mode turned on
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Settings