2 perform acoustic calibration check – Casella CEL CEL-440 User Manual

Page 21

Advertising
background image

Operation

Press

Display Shows

Comments

8. Select the required microphone response (and other

configuration items) in the same way.
Date and time are set using the quick edit function as

follows.

The highlighted entries will

be used.

These settings will also be

stored and used next time

the instrument is switched

on.

9. Select the date and time option by moving the reverse

video cursor to the required line on the Configure menu.

10. Move to

Date and

Time menu

This menu allows the time

and date to be set.

11. When the

date and

time are to

be changed

This enables the quick edit

function.
Use

and

to select a

field, and

and

to

change the entry.

The day will be determined

automatically from the date

and month entries.

Press

again to save

the date and time.

12. Return to

the Main

menu

2 times

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.

Ø9:51:27

Mon

1998

Jan

k-09

1/2

12

Ø9:51:27

Mon

1998

Jan

k-10

1/2

12

MENU

MENU

CEL-440/480 Operators Handbook - Page 21

Preliminary Operations

Advertising