1. You mean the failure of ABS control unit and whether the battery is overcharged or undercharged, which can be deleted directly.

2. If it cannot be deleted, you need to go to the 4S shop to repair the line first.

1. modulator is the abbreviation of RF modulator, which is divided into adjacent frequency modulator and interval frequency modulator. It is one of the main equipments in the front-end TV room.

2. The function of the modulator is to modulate the video signal and audio signal provided by the signal source into a stable high-frequency RF oscillation signal. Video is modulated by amplitude modulation and audio is modulated by frequency modulation.

3. Adjacent frequency modulators are widely used in various cable TV systems, satellite TV systems, closed-circuit TV and monitoring systems in residential quarters, digital set-top box reconstruction systems in hotels and restaurants, audio-visual systems in military and school education, etc.