CASELLA CEL CEL-62 Series, Руководство оператора

Страница: 15 / 37

G. CAL. REF. LEVEL (Refer to Figure 9)
Note:
For Instrument Calibration refer to Section K – Calibration Screens.
For free field and microphone corrections to the calibrator level refer to “Sound
Calibrators – Level Corrections” in Appendix B.
CAL. REF. LEVEL
The Calibration Reference Level is used to set the instrument’s calibration level to the
exact level of your calibrator plus any other required corrections. Calibration levels can
be set from 93-95dB or 113-115dB. A 1kHz calibrator must be used.
From the Menu screen use the Cursor Keys (C) to navigate to the Settings icon (1). Use
the Cursor Keys (C) to navigate to the Cal. Ref Level icon (2). Press
Select (B).
The Calibration Reference Level (Cal. Ref. Level) screen will open with the last level
used for calibration. Press
Edit (B) to alter the level.
The first digit can be selected 0 or 1 only, other digits can be 0-9. Use the Up/Down
Cursor Keys (C) to adjust the digits and the Left/Right Cursor Keys (C) to move
between digits. Press Save (B).
Press Exit (A) to go back to the Settings screen.
Figure 9 Calibration Reference Level
Casella CEL 15