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Introduction
Thank you for purchasing your product from Castle Group Ltd.
The GA113 has been designed to surpass the requirements of the new
international Class 1 sound level meter standard IEC 61672-1:2002. It may
be used in industry or for general purpose measurement to ascertain noise
levels accurately yet economically.
Using the Manual
In the course of this manual a named button written in
BOLD
means press
that button E.g.
OK
means press the OK button
