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1. When soldering, the height of rosin (flux) entering the printing machine board should be adjusted properly, and it should be avoided that the flux intrudes into the potentiometer, otherwise it will cause poor contact between the brush and the resistor body, resulting in INT and bad noise.
5. The potentiometer is best used in the voltage adjustment structure, and the wiring method should choose the "1" pin to ground; the current adjustment structure should be avoided, because the contact resistance between the resistor and the contact piece is not conducive to the passage of large current.
2. The surface of the potentiometer should avoid condensation or water droplets, and avoid using it in wet places to prevent insulation deterioration or short circuit.
3.. When installing the "rotary type" potentiometer, when fixing the nut, the strength should not be too tight, so as to avoid damage to the thread or poor rotation; when installing the "iron shell straight sliding type" potentiometer, avoid using too long screws, otherwise it may be Obstruct the movement of the slider, and even directly damage the potentiometer itself.
8. In the process of putting the knob on the potentiometer, the pushing force used should not be too large (not exceeding the parameter index of the push-pull force of the shaft in the "Specification"), otherwise it may cause damage to the potentiometer.

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