Casella-cel CEL-440 Manuel d'utilisateur télécharger pdf (Page 21)

All of the configuration settings that have been left highlighted on the

menu screens, plus any changes to the time and date, will be stored for

use next time the instrument is switched on.

2.2 Perform Acoustic Calibration Check

The calibration level indicated by the instrument will depend on the

microphone response set. Therefore, an acoustic calibration check

should be performed only when the microphone response is correct for

the required task. When the calibration is known to be acceptable, press

once to obtain a Measurement screen or twice to obtain the Main

menu that gives access to all settings and stored data.

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Preliminary Operations

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Casella-cel CEL-440 Manuel d'utilisateur Page 21