NEC 8M-B70AU Operation Manual 8M-B70AU - Page 140
Power button setting, Mode2, Setup, Ecology, Child
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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 7 languages. English >> Deutsch >> Français >> Italiano >> Español Polski >> Ver. 1.01 > Troubleshooting < If You Suspect a Problem General What if You cannot operate the buttons on the remote control or Monitor You hear a crack sometimes Where to check It may be attributable to external or interference noises. Set the "Power button setting" to "Mode2", turn off the Monitor with its power button, leave it alone for about a minute after unplugging the power plug, and then plug the power plug back in again to turn its power on. Reference page 3-4 Isn't the RC control lock set to On? If it has been set to On by mistake, in the Setup menu, select " (Ecology)" - "Child ― Lock", and then set it to "Off". (When using buttons on the Monitor, see page 1-6.) You can also check video for child lock. ― It is a sound of the cabinet slightly expanding or contracting with changes in temperature. It has no impact on performance, etc. ― 7-6