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Scenes to be used: At the functionality website or all the way through engineering debugging, if the sign of about a lamps is unstable, or the lamps are out of leadership or unresponsive. You can use this sign line tester to test signals, otherwise you can investigate signal strains individually. One end of the sign cable is attached to the sign output port of the console, and the other finish is connected to the signal tester. Warm reminder: During testing, it should be ensured that the console is connected to the signal. Testing on ports other than sign lines is never allowed. Each lights console has a special refresh rate, so some testers will trigger the LED indicator to flicker when trying out signals. (This concern doesn't affect the standard use of the line measuring device) Line measuring gadget fault prompt: 1. The blue, red and inexperienced indicators are all on, that means the signal is normal. 2. A single inexperienced indicator light lighting fixtures up, indicating that the floor twine is disconnected or short-circuited. 3. A single blue indicator tender lights up, indicating that the fine pole of the signal is disconnected or short-circuited. 4. A single red indicator light lighting fixtures up, indicating that the damaging pole of the signal is disconnected or short-circuited. 5. The crimson and inexperienced indicator lighting are on, indicating that the detrimental pole of the signal and the ground cord are short-circuited. Colour:As Shown Material:Stainless steel Package Contents: 1 * DMX512 line tester Only the above kit content, diverse products should not included. Note: Light mirrored image and sundry exhibits may cause the color of the article in the photo a little bit various from the genuine thing. The dimension allowed error is +/- 1-3cm.