This document is the user manual and warranty certificate for CK-1 Ck electronic keyboard. The product has undergone strict quality management and inspection, and users can enjoy free repairs within one year under normal use. Faults and damages within the warranty period must meet the specified warranty conditions. This warranty certificate is only valid for use within China.
This document serves as the user manual for the Casio CTK-551 electronic keyboard. It provides essential safety warnings regarding battery usage, power adapters, and environmental conditions to prevent injury or damage to the instrument. The manual also outlines the warranty terms specific to the People's Republic of China, detailing the conditions under which free repairs are provided versus those requiring paid service. This manual is written in Chinese.
| Product Name | CTK-551 |
|---|---|
| Warranty Period | One year from purchase date |
The warranty is valid for one year from the date of purchase.
This warranty is only valid within the People's Republic of China.
If the product malfunctions due to battery depletion, it will be treated as a paid repair.