Installation and Wiring: Detailed instructions for CAN bus (SAE J1939) connection, power input,
and sensor interface.
Operation Navigation: How to use the four-key menu system (Up/Down/Confirm/Return),
switching between main interface and sub-menus.
Parameter Display: Configuration of 50+ parameters including engine speed, oil pressure, coolant
temperature, and system voltage.
Fault Diagnosis: Dynamic fault code reading, historical fault storage and clearing function.
Settings Options: Language switching (supports Chinese/English/Spanish), unit selection
(metric/imperial), backlight and contrast adjustment.


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