Как да превключите чувствителността на писалката за тестване на напрежение?
Short press the "High and Low Sensitivity Switch" button to switch between high and low sensitivity. When the low-sensitivity light is on, it is suitable for measuring 48-1000V voltage; when the high-sensitivity light is on, it is suitable for measuring 12-1000V voltage. (Note: do not switch during detection)
