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- Without audio;
- Do not adjust the volume;
- Volume at most;
- Volume at least;
Cars that have the option of internal and external amplifier;
- Other cars have on the international market to external amplifier option.
How to solve?
- Press the OSD button of the central, if not have check the manual;
- Look for E.amp or I.amp option;
- Turn the knob and choose the being, E.amp (external amplifier) and I.amp (internal amplifier);
- After choosing restarts the center and check if the issue is resolved, below is a picture step by step.