> For the complete documentation index, see [llms.txt](https://n.g.flashine.net/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://n.g.flashine.net/maintenance/arc-power-test.md).
# Arc-Power Test
**Introduction：**Doing arc testing once a month，can ensure that the fusion splicer will have the best performance.
**Step:**
**1. Go to the menu**
1.1. Go to the “Common function”menu.
1.2. Select “Arc test ”, press the“ menu ” to enter the page.
1.3. Press “Menu” again to enter the arc test menu. The screen will show “Place Fiber, Press Enter.”
**2.Arc Test**
2.1. Cut the fibers then put two of fibers in the fusion splicer, close the windproof cover and press “Menu ” . The fusion splicer will be pushed-out, alignment and arc automatically adjusted.
2.2. After arc test, the left side of the screen will prompt with arc power and test results.
If prompted “Arc Power Too Weak/Too Strong”，open the windproof cover, repeat step 2.
2.3. If prompted“Arc Power OK”，press”menu ”to save.
**3. Done**
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