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V. Measurement Preparation
1: Install New Battery
Remove the battery cover on the back of the
SoniChek MC and observing proper polarity,
install one 9V Battery.
2: Battery Replacement
When the battery voltage is low, “BAT” appears
on the LCD. Replace battery.
VI. Operating Precautions
1: Air moving across the microphone causes noise
that the SoniChek MC measures. Although the air
movement may be silent to the user, it is ‘heard’ by
the SoniChek MC. The provided foam windscreen
suppresses the noise, but does not eliminate it.
Consider this when taking measurements in areas
where air movement or wind is a factor.
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