Cirrus Optimus+ - Downloading dBActive and Connecting to Optimus+

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Optimus+ Sound Level Meters – User Manual
1. Introduction
Welcome to your Optimus+ GPS sound level meter. This next-generation instrument from Cirrus
Research plc is powerful yet simple to use and is capable of a wide range of noise measurement
functions.
Microphone capsule
Microphone
preamplifier
Preamplifier locking ring
Ambient light sensor
Display
Soft keys
Control keys