Amprobe ACDC-620T Clamp-On-Multimeter - Manual (Page 26)

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c DISABLE AUTO POWEROFF
When the meter is to be used for long periods of time you may want to disable the
auto power off. Once the auto power off function is disabled, the meter will stay on
continuously. The meter is shut off by turning the rotary switch to the OFF position.
To activate this function, press and hold the "HOLD/MAX ● MIN" button and turn the
rotary switch from the OFF position to the desired function. When all annunciators
are displayed, press any button momentarily to exit demonstrate mode, and the
"@OFF" annunciator will be off.
c DEMONSTRATE ANNUNCIATOR
To demonstrate the annunciators, press "HOLD/MAX ● MIN" button and turn on the
meter simultaneously. All annunciators will be displayed. Press any button to exit
demonstrate mode. Auto power off will be disabled.
Figure 11. Sleep Mode
@OFF
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