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Solar Charge Controller type D series
1. In the current status display, press and hold setup for 3 seconds to enter the setting menu,
2. Press to select the option to be set, and then press Select to enter the option,
3. Use up and down keys to change the value of flashing bit, and press the value until all bits are set
4. Press the setup key to return to the previous menu to complete the operation.
5. You can also consult our technical consultant or read the product manual for operation