27
Preparations
Note
Calibration cannot be performed if the unit is in a
measurement mode other than sound level measure-
ment (including triangle mark flashing in top left of
screen, and pause). Perform calibration after measure-
ment is completed (Start/Stop key was pressed).
Signal output for calibration of external equipment
The normal level range for calibration is 30 to 120 dB, but in order to allow
calibration of external equipment, calibration can also be performed at other
level range settings. In this case, the "XX dB" indication of the calibration
value flashes.
Perform the setting so that the calibration value is 6 dB under the maximum of
the selected range.
In this case, the AC output or DC output is used to calibrate connected
equipment.
1. Press the Menu key to bring up the menu screen 1/5.
Verify that the Cal Mode is set to "Internal".
2. Press the Menu key again to turn off the menu.
3. Press the Cal key.
4. Use the and keys to set the level indication to the calibration
value (maximum -6 dB).
5. Press the Cal key again to return to normal measurement mode.
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