CASELLA CEL CEL-450 Informations techniques télécharger pdf (Page 42)

Operation Press Display Shows Comments

3. Select

Manual

calibration

This is the manual calibration

check screen. It shows the

current sound level and

details of the last calibration.

If the Calibration screen

shows a “Scale ... ” line

instead of “Manual”, the

last calibration was

performed via line input (see

Section 5.5).

4. Return the

highlight to

This allows the displayed

level to be changed

manually.

5. Switch the

Calibrator

This is the level determined

by the sound level meter.

The Calibration levels for the

CEL Class 1 and Class 2

microphones and for Free

Field and Random response

are shown in Table 1.

6. When the

level

shown is

incorrect

for the

current

microphone

and

response

This enables the quick edit

function.

7. Adjust the

display to

show the

correct

calibration

level for

the

microphone

and

response

and

More than one key press

may be required to give a

visible change in level.

Page 42 - CEL-450/490 Operators Handbook

Acoustic Calibration Check

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CASELLA CEL CEL-450 Informations techniques Page 42

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