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OL
Overload
°F
Degree Fahrenheit
°C
Degree Celsius
Hz
Hertz (Frequency)
%
Percent (Duty ratio)
AUTO
Auto ranging
Auto power off
Low battery
Display hold
NCV
Non-contact AC Voltage Detection
Relative mode
Dangerous voltage indication
BL
Automatic backlight function opens indicator
3. Operating instructions
Warning!
Risk of electrocution! High-voltage circuits, both AC and DC are very
dangerous and should be measured with great care.
Always push the power switch to the OFF position when the meter is
not in use. This meter has Auto OFF that automatically shuts the
meter OFF if max. 15 minutes elapse between uses.
If "OL" appears in the display during a measurement, that value you
are measuring exceeds the range you have selected. Change to
higher range.