NEC 8M-B120C 8M-B120C Operation Manual - Page 127
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Contents 1. Part Names 2. Basic Operation 3. Menu Operation 4. USB Media 5. Connecting Other Devices 6. Operating the Monitor Using a PC (IP control) 7. Troubleshooting 1. If You Suspect a Problem 9. If Error Message Appears 11. What If 8. Specifications, etc. Ver. 1.00 > Troubleshooting < If You Suspect a Problem General What if Where to check Is the volume control set to the minimum level? Reference page 2-3 Is it set to "Mute"? ― Video appears on Monitor but no sound comes out of it The audio sound differs in volume level from one input source to another Video image from a BD player or external device does not appear, or stopped appearing, on the Monitor Sound comes out of the Monitor but no video appears on it Is the headphone left plugged into the headphone terminal? Because the input sound level may vary depending on the device connected or the disk played back, the volume can be set per input. Set the volume control for each input. Is the external device unplugged? Is the external device turned on? Have you selected the input to which the external device is connected? For INPUT 5 or INPUT 6, due to the provisions of Advanced Access Content System (AACS), BD videos (commercial blueray software) from certain external devices connected to the INPUT cannot be played back on the Monitor. Due to copyright restrictions, videos from certain devices fail to appear on Monitor unless the devices are directly connected to the Monitor through HDMI cable. Is Audio only set to "On"? 1-2 2-3 ― ― 5-16 to 5-17 ― ― 3-24 Is the video cable disconnected? 5-12 Faded poorly tinted Are "Color" and "Tint" for video picture properly adjusted? Due to the viewing angle characteristics of the LC panel, when viewed from an oblique direction, some video pictures may look faded or have a different color tone. This is not a failure. 3-10 ― 7-4