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    Troubleshooting
    No sound at all
    No sound at allSymptomNo sound at allCauseIf speakers are not connected or removed, there will be no sound. How to fixCheck the speaker connection. You must connect + (Red) and –(Black).It may be the contact problems. Take the cable out and...
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    Operation
    I see LOCKED on the display window
    I see LOCKED on the display windowSymptom ’LOCKED’ will appear on the display. How to fixUnder DVD/CD mode, while the power is off, if you push STOP button (“■”) for 5sec, it will show ‘UNLOCKED’ on the display. If you turn it on again, it ...
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    Troubleshooting
    It can't recognize USB
    SymptomUSB storage is not recognized. How to fixIt can only recognize Flash type USB storages that supports USB 1.1 and 2.0version with FAT16 , FAT32 , NTFS format.- exFAT format is not supported.- Only some models support USBexternal hard ...
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    Troubleshooting
    The image is enlarged
    The image is enlargedSymptom The image appears to be too large. How to fixYou can adjust the aspect ratio using the remote control. (Refer to the user’smanual.) You may select 4:3, 16:9, or others.
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    Operation
    I am using a headphone
    I am using a headphoneSymptom To connect headphone. How to fix① When inserting to the terminal, insert firmly until you hear a sound. If not inserted firmly, it will not sound due to unstableconnection. ② If the contact point of headphone j...
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    Troubleshooting
    Why is smart audio (Music Flow) group setting canceled?
    ■ Symptom - Smart audio (Music flow) group setting is canceled.■ Checkpoints - Group setting may be canceled when alarm rings, power is turned on/off, orwireless network connection is weak.■ How to fix 1. When alarm sounds - Alarm settings ...
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