RIGOL DSA875 - Manual (Page 8)

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General Safety Summary
1. Use power cords designed for the instrument and
authorized by local country.
2. Make sure the instrument is grounded properly.
3. Do not operate without covers.
4. Use proper fuse.
5. Avoid circuit or wire exposure.
6. Do not operate with suspected failures.
7. Keep proper ventilation.
8. Do not operate in wet conditions.
9. Do not operate in flammable and explosive environment.
10. Keep product surface clean and dry.
11. Protect the instrument from static electricity.
12. Pay attention to handling safety.