Special Functions - Minipa ET-3120 Manual De Instrucciones

B. Special Functions
D-H Button
The Data Hold function freezes the current reading to later visualization.
Press D-H button for a moment to enter in the Data Hold mode. Press D-H
button again to return to normal measurements.
M-H Button (ET-3120 / ET-3122 Only)
The Max Hold function freezes the highest reading to later visualization.
Press M-H button for a moment to enter in the Max Hold mode. Press the
button again to return to normal measurement.
ZERO Button (ET-3320 Only)
The ZERO button is used to zeroing the residual current reading. Press the
ZERO button to enter and to exit this mode.
Auto Power Off (APO)
The meter turns off after approximately 15 minutes of neither switch nor
key activity. To wake up the meter from APO, change the function selector
to other position and back on again. Always turn the function selector to
OFF when the meter is not in use.
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