[. . . ] (If they are not fastened securely enough, the TV may tilt forward after being installed. ) Do not use too much force and over tighten the screws; otherwise screw may be damaged and not tighten correctly. 9EA M4 x L20 NOTE yy Remove the stand before installing the TV on a wall mount by performing the stand attachment in reverse. A-4 SETTING UP THE TV Assembling the AV Cover (Only EA98/EA97**) 1 Assemble the AV Cover as shown. [. . . ] Electrical circuit humming/panel buzzing: A low level noise is generated from a high-speed switching circuit, which supplies a large amount of current to operate a product. This generated sound does not affect the performance and reliability of the product. 10 SAFETY INSTRUCTIONS Viewing 3D Imaging (Only 3D models) ENGLISH ENG WARNING Viewing Environment yy Viewing Time -- When watching 3D contents, take 5 - 15 minute breaks every hour. Viewing 3D contents for a long period of time may cause headache, dizziness, fatigue or eye strain. Those that have a photosensitive seizure or chronic illness yy Some users may experience a seizure or other abnormal symptoms when they are exposed to a flashing light or particular pattern from 3D contents. Yy Do not watch 3D videos if you feel nausea, are pregnant and/ or have a chronic illness such as epilepsy, cardiac disorder, or blood pressure disease, etc. Yy 3D Contents are not recommended to those who suffer from stereo blindness or stereo anomaly. Yy If you have strabismus (cross-eyed), amblyopia (weak eyesight) or astigmatism, you may have trouble sensing depth and easily feel fatigue due to double images. Yy If your eyesight varies between your right and left eye, revise your eyesight prior to watching 3D contents. Symptoms which require discontinuation or refraining from watching 3D contents yy Do not watch 3D contents when you feel fatigue from lack of sleep, overwork or drinking. Yy When these symptoms are experienced, stop using/watching 3D contents and get enough rest until the symptom subsides. ASSEMBLING AND PREPARING Unpacking Check your product box for the following items. If there are any missing accessories, contact the local dealer where you purchased your product. The illustrations in this manual may differ from the actual product and item. CAUTION yy Do not use any unapproved items to ensure the safety and product life span. Yy Any damage or injuries caused by using unapproved items are not covered by the warranty. Yy Some models have a thin film attached on to the screen and this must not be removed. NOTE yy The items supplied with your product may vary depending on the model. Yy Product specifications or contents of this manual may be changed without prior notice due to upgrade of product functions. Yy For an optimal connection, HDMI cables and USB devices should have bezels less than 10 mm thick and 18 mm width. 0 if the USB cable or USB memory stick does not fit into your TV’s USB port. 25) Cinema 3D Glasses The number of 3D glasses may differ depending on the model or country. [. . . ] Yy Check whether the Video Call Camera is properly connected to the USB port on the TV. Yy When using certain TV functions, incoming calls can’t be received (e. Yy Change the home theater audio setting to stereo rather than surround. yy Check whether the call quality information is marked as “critical”. [. . . ]