Radio Shack Micro Guia do Utilizador descarregar pdf (Página 10)

Taking Maximum and Minimum Measurements

during an Undetermined Time Period

1. PressRESETduringacontinuousaverageormaximum

measurement.Attheendofthedesiredtimeperiod,

pressDH.DHdisplays.

2. PressMAXandMINrespectivelytochecktheaverage,

maximum(MAXstopsashing),andminimum(MIN

stopsashing)soundlevelsduringthetimeperiod.

3. PressRESETtoresumeacontinuousaverageor

maximummeasurement.

Checking Stereo System Acoustics

Tocheckthesoundofastereosystem,useanaudiosample

thatproducespuretones,oneatatime,atintervalsthat

spantheentireaudiospectrum.UseC-weightingwitheither

sloworfastresponse.

Makeagraphortabletoshowthesoundleveleachtone

produces.Thisgivesyouaclearideaofthefrequency

responseofthetotalaudiosystem,includingtheroom.To

smoothouttheresponse,adjustthetonecontrol,change

speakerplacements,anduseafrequencyequalizer.

Holding Measurements

Youcanstorethecurrentmeasurementsinmemoryand

freezemeasurementsonthedisplay.Themeterstoresthe

average,maximum,andminimumsoundlevelsforthelast

onesecond.

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Radio Shack Micro Guia do Utilizador Página 10