Ametek Land 4500 MKIII, User Manual

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B - 27
Model 4500 MkIII Opacity and Dust Monitor
User Guide
B5.6 Restoring Previous Calibration Values
If the Model 4500 MkIII is mis-calibrated, it is possible to recover the
situation by replacing the erroneous calibration constants. The Previous
constants, and the constants determined during Factory testing are stored in
the instrument.
To replace the Current Calibration constants with the Previous constants:
1) Press
2) Unlock
is displayed, press
3) Use the and arrows until the Supervisor code (Default: 10) is
displayed and press
4) Use the and arrows to select Calibration and press
5) Use the and arrows to select Previous Cal and press
6) Use the and arrows to select Restore Last Cal and press
7) Confirm is displayed. Press
8) The Previous Calibration constants are copied into the Current
Calibration constants.
9) The Tick in the top left corner of the display indicates that the
operation was successful.
10) Press three times to return to the main display.
To replace the Current Calibration constants with the Factory constants:
1) Press
2)
Unlock is displayed, press
3) Use the and arrows until the Supervisor code (Default: 10) is
displayed and press
4) Use the and arrows to select Calibration and press
5) Use the and arrows to select Previous Cal and press
6) Use the and arrows to select Restore Factory Cal and press
7) Confirm is displayed. Press
The Factory Calibration constants are copied into the Current Calibration
constants.
8) The Tick in the top left corner of the display indicates that the
operation was successful.
9) Press three times to return to the main display.