VOLTCRAFT VC-590OLED Operating Instructions Manual page 52

AC
DC
V, mV
A, mA, μA
Hz
°C, °F
Ω, kΩ, MΩ
nF
μF
mF
52
Symbol for acoustic continuity check
Alternating voltage and current
Direct voltage and current
Volt (unit of electric potential), millivolt (exp -3)
A mpere (unit of electric current),
milliampere (exp -3), microampere (exp -6)
Hertz (unit of electric frequency)
Unit of temperature (Celsius = European, Fahrenheit = empirical)
Ohm (unit of electrical resistance), kiloohm (exp3), megaohm (exp6)
Nanofarad (exp -9; unit of electrical capacitance)
Microfarad (exp -6)
Millifarad (exp -3)
Symbol for capacitance measuring range
Bar graph (not for °C, °F and NCV)
Polarity markings (positive/negative terminal) for DC measurement. The
symbols show the direction of current for measuring with correct polarity.
Conductor position markings for correct current measurement.
The current exceeds 30 V/AC and 42 V/DC.
Button to start and stop the measurement point illumination