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9.6 Muting the buzzer
When in measurement mode it is possible to mute the buzzer.
• Press on “-”,
• Press on “-” again to reset the buzzer.
IMPORTANT NOTE: in order to prevent any misuse of the
equipment, there is an automatic reactivation of the buzzer
each time the medium changes (air to liquid, liquid to water, etc.)
or after 5 minutes muting. To keep the buzzer muting, press
again on “-”.
9.7 Backlight
Refer to Figure 9-6.
When in measurement mode press “enter”: this switches on
the backlight. After around 10 seconds, the light switches off
automatically to save the battery life.