HGLRC FD F7 DUAL, Руководство пользователя

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18.Troubleshooting
Warning:
Please read the cautions as follows, otherwise stability of your flight
controller cannot be ensured, your flight controller will even get damaged.
●
Keep focus on the polarity. Check carefully before power supply.
●
Cut off the power when you connect, plug and pull anything.
●
The refresh rate of PID and Gyroscope is up to 32K/16K.
after sales question:
1. After receiving the goods, it is found that the product can not be used
normally. If the return to the factory is a quality problem, the repair
service will be provided free of charge.
2. If the product is damaged due to improper operation, the repair service
may be provided under the condition that the inspection can be repaired.
3. For domestic customers, please contact the after-sales service personnel.
For overseas customers, please contact the official website for after-sales
service.