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Model UT58D: OPERATING MANUAL
Sleep Mode
To preserve battery life, the Meter automatically turns off
if you do not turn the rotary switch or press any button for
around 15 minutes. When the Meter is under sleep mode,
it consumes 10µA current.
To activate the Meter, press POWER for two times.
Operation of Hold Mode
Warning
To avoid possibility of electric shock, do not use Hold
mode to determine if circuits are without power. The
Hold mode will not capture unstable or noisy readings.
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