B&K Precision 830C - Manual - Manual (Page 65)

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Note: Under the following instances, the tolerance
mode cannot be set:
1. After setting recording mode
2. After setting HI/LO limit for compare mode
3. The display shows “OL” for overload.
Disable Tolerance Mode
To disable or exit out of tolerance mode, simply press
and hold down the button for two seconds.
The “TOL” and/or the percentage indicators “1%”,
“5%”, “10%”, or “20%” will disappear on the LCD
display.