Fluke 179 - Page 15

True RMS Multimeters
Calibration
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6. When the last step in a function is reached, turn the knob to the next function required. The Meter will
not allow a step to be completed if the knob is turned to the wrong function.
Note
If the calibration procedure is not completed correctly, the Meter will not operate correctly. When
calibration is not performed correctly, the Meter displays the messages “CaL” and “Err”and the
Meter must be recalibrated.
The meter is damaged and requires service if:
• “CaL” and “Err” messages continue to appear after a proper recalibration.
• “EEPr” and “Err”messages are alternating on the display.
• “EEPr” message appears on the display.
Calibration seal
Calibration button
aik14f.eps
Figure 4. Calibration Access