Precautions

Only qualified technicians can perform repairs. Please do not open the instrument without authorization, otherwise you will not be able to receive warranty or other services. If you encounter any problems, please contact the after-sales service department first.

Due to the possibility of voltage on input/output terminals, test columns, etc., electrical sparks may be generated when inserting or unplugging test wires or power sockets. Be careful of electric shock and avoid the danger of electric shock. Pay attention to personal safety!

1. Use appropriate power cords: Only use power cords that are specific to this product and meet its specifications.

2. Correctly connect and disconnect: When connecting the test wire to the live terminal, do not connect or disconnect the test wire at will.

3. Product grounding: In addition to grounding through the power line grounding wire, the grounding column of the product casing must be grounded. To prevent electric shock, the grounding conductor must be connected to the ground. Before connecting to the input or output terminals of this product, it should be ensured that the product is correctly grounded. Please check whether the user's grounding wire is reliable by yourself.

4. Attention to all terminal ratings: To prevent fire or electric shock hazards, please pay attention to all ratings and markings of this product. 5. Before wiring, please read the product manual for further information on the rated values.

6. Do not operate the instrument before it is installed: if the cover or panel has been removed, do not operate this product.

7. Use appropriate fuse: Only use fuse that meets the specified type and rating of this product.

8. Avoid contact with exposed circuits and live metal: Do not touch exposed contacts and parts of the product when it is electrified.

9. Do not operate when there is a suspicious malfunction: If there is suspicion of damage to this product, please have our company's maintenance personnel inspect it and do not continue to operate.

10. Do not operate in damp or explosive environments, keep the product clean and dry.