CASELLA CEL CEL-450 Informations techniques télécharger pdf (Page 61)

1. Start from the sound level meter Line Input Calibration screen

Broadband L

measure mode will be selected automatically by

the sound level meter.

2. Connect the recorder output to the instrument IN terminal.

3. Switch the recorder to replay mode.

4. Replay the recorded calibration signal.

5. Adjust the Replay Level control on the recorder so that the sound

level meter display indicates the calibration level for the

microphone and response used.

6. Stop the recorder.

The system is now calibrated to replay at accurately determined

levels with the calibration signal near the top of the input range,

which gives the widest possible replay dynamic range.

However, the instrument measurement range may need to be

adjusted so that the display scale gives a correct indication of the

recorded values.

7. Press to enter quick edit mode.

8. Use and to select the measurement range that was noted

for the measurement.

9. Press again to confirm the calibration and any scale change.

Date and time of last calibration

CEL-450/490 Operators Handbook - Page 61

Operation

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CASELLA CEL CEL-450 Informations techniques Page 61