Amprobe ACDC-620T, User Manual, Page: 23 / 65

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DATAHOLD
The data HOLD function allos operator to freeze the displayed digital value while
the aanlog bargraph displays present readings. Press "DH" Hold button to enter the
data Hold mode, and the "DH" annunciator is displayed. Press the button again to
exit. The present reading is now shown.
Figura 8. Operación de Retención de Datos (Data Hold)
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ZERO (RELATIVE)
The ZERO (relative) function subtracts a stored value from the present measure-
ment and displays the result..
1) Press the ZERO button momentarily to set the relative mode. This sets the dis
play to zero and stores the present reading as a reference value. The "
∆
"
annunciator will also be displayed. Press this button again to exit the relative
mode.
2) The ZERO (relative) mode can be set in both the autorange or manual range
mode. The relative mode can't be set when an overload has occurred.
3. When the Dc Current measurement mode is entered, the display will indicate a
non-zero DC Curent (positive or neative) value due to residual magnetism of the
jaw and of the internal sensor. You can use the Zero (relative) function to Zero-
Adjust the display.
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