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11.Warranty
As long as the instrument is clean, no special maintenance is generally required. If you need
service or repair, please call after-sales service.
1. This product provides one-year free maintenance service. If you need to provide circuit
diagrams, necessary materials and electrical circuit troubleshooting during warranty service,
please contact the manufacturer.
2. For the failure caused by the following users' personal reasons, free warranty service will not
be provided:
1) Failure caused by unauthorized disassembly and modification.
2) Failure caused by accidental drop of the product.
3) Failure caused by not operating according to the instructions.
4) Failure caused by lack of reasonable maintenance.
5) Damage caused by external force.
3. Repair services outside the warranty will be charged according to regulations.
12.Packing List
Host: 1 set
Battery: 2 pieces of No. 7 alkaline battery
Manual: 1
Qualified Certificate: 1 piece