Adjusting input gain and auto-level – Dayton Audio OmniMic V2 Precision Measurement System User Manual
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Adjusting Input Gain and Auto-Level
For best results, the input sensing gain of OmniMic should be adusted approximately for the sound
level. The input gain slider control is at the top right of the OmniMic screen.
The slider should be set so that gain is not too low (which would limit dynamic range) and not
too high (which would overload OmniMic's electronics).
When a sound level is sensed that is too high for the OmniMic, a message and a small red dot
will appear to the right of the slider -- if you see this, move the slider to the left to reduce the
gain until the red dot no longer appears.
The gain can instead be adjusted automatically by the OmniMic software if you temporarily put
a check in the small box next to the slider. Expose the OmniMic to the sound level that will be
used for several seconds, and the slider should adjust to a compatible level.
It is best NOT to leave the auto gain button checked during measurements, since the
slider movement can interfere with ongoing measurements.
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