how to do Non-contact AC voltage measurement of Smart multimeter GD109
◆Press the button to turn on the power of the meter, the meter displays NCV, and enters the non-contact AC voltage measurement mode.
◆The NCV sensing area is gradually approached to the conductor under test.
◆When a weak AC signal is detected, "---L" will be displayed; the buzzer will beep slowly, and the analog bar will light up with a green indicator light.
◆When a strong AC signal is detected, "---H" will be displayed; the buzzer will beep quickly, and the analog bar will light up with a red indicator light (the low green light is also on).
