NEC 8M-B80AX1U 8M-B80AX1U Operation Manual - Page 128
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2/28/2019 Contents 1. Part Names 2. Basic Operation 3. Menu Operation 4. USB Media 5. AQUOS LINK and Other Devices 6. Operating the Monitor Using a PC (IP control) 7. Troubleshooting 8. Specifications, etc. You can select an OSD language from among 8 languages. English (UK) >> Français >> Deutsch >> Italiano Español >> Polski >> English (US) >> Ver. 1.01 Sharp operation manual > Troubleshooting < If You Suspect a Problem General What if Where to check Is the power plug unplugged from the outlet? There is no video and sound Is the POWER lamp lit green? output from the Monitor Is the input changed to a proper source to permit a video from an external device to be played on the Monitor? Is any connecting cable disconnected? Is the POWER lamp lit green? Isn't the polarity (+, -) of the dry battery reversed? The remote control does not operate Are the dry batteries for the remote control drained? The higher the use frequency is, the faster the dry batteries may be drained. Whenever there is a sign of draining of a dry battery, such as when the Monitor does not respond to the remote control, replace the dry battery with a new one early. Do you point the remote control toward the light receiving section of the Monitor when using it? You will have difficulty operating the remote control if any of the following apply: There is an obstacle between the remote control and the remote control light receiving section of the Monitor. The remote control light receiving section is exposed to direct sunlight or intensified light. Try to angle the light. There is a light source, such as a fluorescent, near the Monitor. A battery terminal is oxidized (darkened)? The room temperature is extremely low. Reference page The operation manual supplied with the Monitor "Connecting AC Cord" 2-1 5-16 to 5-17 ― 2-3 The operation manual supplied with the Monitor "Preparation and How to Use Remote Control Unit" The operation manual supplied with the Monitor "Preparation and How to Use Remote Control Unit" The operation manual supplied with the Monitor "Preparation and How to Use Remote Control Unit" ― 7-3