37
Inspection Before Use
Auto power save function
• Before shipping (In the default setting), the auto power save
function is set to enabled. If the instrument has not been operated
for approx. 15 minutes, it enters the sleep mode. (When the
instrument is in the sleep mode, press any key or turn the rotary
switch to recover from the sleep mode.)
When the sleep mode continues for approx. 45 minutes, the
power turns off automatically.
• To recover from the power off state, set the rotary switch to OFF
and then turn on the power again.
• During current measurement, before setting the rotary switch to
OFF, disconnect the test leads. If the rotary switch is forcibly turned,
the shutter may be damaged.
• If the instrument will be used for an extended period of time, disable
the auto power save function. (p. 70)
• After use, set the rotary switch to OFF. The auto power save function
consumes a small amount of current.
Numerical value display with no input
When the measurement terminal is open during DC voltage (DCV)
measurement or AC voltage (ACV) measurement in the 60 mV range or
600 mV, a random value is displayed. This does not indicate a malfunction
of the instrument. When the probe is connected to the measurement target,
a normal numerical value is displayed. A high-input impedance voltmeter
is used in the instrument for highly sensitive measurement. Consequently,
external noise, such as inductive noise, appears as a numerical value.
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Appx. Ind.
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