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8
Sound Intensity Calibrator Type 4297 – User Manual
To replace the batteries, open the unit (see Chapter 2) and pull up the black plastic button. Lift the
hinged flap to expose the battery compartment. Make sure that the new batteries are inserted
with the correct polarity. Close the flap and press the black button to fasten the hinged flap in
place. See Fig.1.8.
Fig.1.8
Type 4297 with the
battery compartment
access cover in the
open position
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