Radio Shack Sound Level Meter Manual do Proprietário descarregar pdf (Página 13)

13

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CAL (CALIBRATION)

Your meter has been accurately calibrat-

ed and normally will not require further ad-

justment. If adjustment is necessary, we

recommend you take the sound meter to

an audio professional for proper calibra-

tion via the

CAL recess.

MEASUREMENTS

Important:

• Do not hold the meter directly

between you and the sound source,

as this might produce an error of sev-

eral decibels in the frequency range

above 100 Hz. Position the meter so

an imaginary line between you and

the meter is perpendicular to a line

between the meter and the sound

source.

• Handle the meter carefully. The

microphone and meter movement are

fragile and might be damaged if the

instrument is dropped. Do not oper-

ate the meter at a range setting that

causes pegging of the needle. This

could damage the movement.

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