1. Function:Test twisted pair 1, 2, 3, 4, 5, 6, 7, 8, and G wires one by one (pair), and can distinguish which wire is short-circuited and open-circuited.2. Twisted-pair test: Press the OFF button to turn on, and the CABLE light flashes at the same time, you can perform active scanning test. Insert the network cable plugs into the main tester and remote tester respectively, and the indicator lights of the host will flash one by one from 1 to G. The test network cable can be adjusted to the ON position-quick test, S gear-slow pace test, suitable for different people .Main tester: 1-2-3-4-5-6-7-8-GRemote tester: 1-2-3-4-5-6-7-8-G (RJ45)1-2-3-4-5-6 (RJ12)-2-3-4-5 (RJ11)- If the wiring is abnormal, it will be displayed as follows:1. When a network cable such as line 3 is disconnected, the main tester and remote test terminal No. 3 lights will not light up.2. When several lines are unavailable, several lines will not light up. When the network cable is less than 2 lines connected, the light will not light up.3. When the two ends of the network cables are out of order, for example, lines 2 and 4 are out of order, the display is as follows: The main tester remains unchanged: 1-2-3-4-5-6-7-8-G The remote test terminal is: 1-4-3-2-5-6-7-8-G4. When there are 2 short circuits in the network cable, the main tester does not light up, and the two short circuit lights on the remote test terminal are both dimly lit. If there are 3 or more short circuits, the number of all the short circuit lines The lights are not on.