User manual LG STUDIOWORKS 500LC

[. . . ] An improper ground may cause electric shock or equipment damage. Do not excessively bend the plug and wire nor place heavy objects upon them, which could cause damage. This may cause an electric shock or fire. Do not connect too many extension cords or plugs to an outlet. This may cause a fire. Installation Put your monitor in a location with low humidity and a minimum of dust. An electric shock or fire could result inside the monitor. Do not drop the monitor when moving it. [. . . ] Turn off both your computer and the monitor. Unplug the video cable from the back of the computer. If the monitor is functioning properly, you will see a box with a border and text inside as shown in the following illustration: The three boxes inside the border are red, green and blue. Failure of any of the boxes to appear indicates a problem with your monitor. This box also appears during normal operation if the video cable becomes disconnected or damaged. Turn off your monitor and reconnect the video cable; then turn on both your computer and the monitor. If your monitor screen remains blank after using the previous procedure, check your video controller and computer system; your monitor is functioning properly. Warning Messages If there is something wrong with the input signal, a message appears on the screen or the screen goes blank although the power indicator LED is still on. The message may indicate that the monitor is out of scan range or that you need to check the signal cable. Environment The location and the position of the monitor may influence the quality and other features of the monitor. if there are any sub woofer speakers near the monitor, unplug and relocate the woofer to another room. Remove all electronic devices such as radios, fans, clocks and telephones that are within 3 feet (one meter) of the monitor. Useful Tips A monitor recreates visual signals received from the computer. Therefore, if there is trouble with the computer or the video card, this can cause the monitor to become blank, have poor coloring, noise, Video mode not supported, etc. In this case, first check the source of the problem, and then contact a service center or your dealer. (Refer to the Preset Display Modes). The screen suddenly has become unbalanced. Have you changed the video card or the driver?Have you adjusted the resolution or frequency to the monitor? The screen can be unbalanced due to the cycle of the video card signals. Readjust Position by referring to the OSD. The screen is out of focus or OSD cannot be adjusted. LED is blinking but no images on the screen. Have you adjusted the resolution or frequency on the monitor?Is the frequency properly adjusted when checking the Display Timing on the menu?Adjust the resolution and frequency of the video card. Adjust the frequency properly by referring to the video card manual and the Preset Display Modes. (The maximum frequency per resolution may differ from product to product. ) There are only 16 colors shown on the screen. The screen colors have changed after changing the video card. [. . . ] Video In / RS 232 / Video Out Accessories equipment connected to the analog and digital interfaces must be certified to the respective IEC standards (i. e. IEC 950 for data processing equipment and IEC 601-1 for medical equipment. ) Furthermore all configurations shall comply with the system standard IEC 601-1-1. Everybody who connects additional equipment to the signal input part or signal output part configures a medical system, and is therefore, responsible that the system complies with the requirements of the system standard IEC 601-1-1. If in doubt, consult the technical services department or your local representative. [. . . ]