Πώς να ενεργοποιήσετε τη λειτουργία λυχνίας του στυλό ανίχνευσης τάσης;
Press the "light switch" button, the test pen will turn on or off the light. In the power-on state, when the test pen is turned off, the light goes out synchronously, and in the power-off state, the light goes out automatically after about 5 minutes.
