Single-pen AC voltage detection of Pen tye True rms multimter GD109
◆Press the button to turn on the power of the instrument,
◆Press the "FUNC" key to select the "Live" gear. Insert the red test lead into the "INPUT" input terminal and remove the black test lead.
◆Use the probe of the red test lead to touch the conductor under test. When a weak AC signal is detected, "---L" will be displayed; the buzzer will sound 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).
