User manual SAMSUNG SYNCMASTER 721S

[. . . ] SyncMaster 720B/720T/920T/721B SyncMaster 720B Install drivers Install programs Failure to follow directions noted by this symbol could result in bodily harm or damage to equipment. Prohibited Important to read and understand at all times Do not disassemble Disconnect the plug from the outlet Do not touch Grounding to prevent an electric shock Power When not used for extended period of time, set your computer to DPMS. If using a screen saver, set it to the active screen mode. Do not use a damaged or loose plug. This may cause an electric shock or fire. Do not pull the plug out by the wire nor touch the plug with wet hands. This may cause an electric shock or fire. Use only a properly grounded plug and receptacle. [. . . ] Please change to the recommended mode during this one-minute period. (The message is displayed again if the system is rebooted. ) There is no image on the screen. Is the power indicator on the monitor blinking at 1 second intervals?Press any key on the keyboard to activate the monitor and restore the image on the screen. The screen shows strange colors or just black and white. Have you locked the On Screen Display (OSD) Menu to prevent changes?Is the screen displaying only one color as if looking at the screen through a cellophane paper?Have the screen colors become strange after running a program or due to a crash between applications?The screen suddenly has become unbalanced. Have you changed the video card or the driver?Have you adjusted the resolution or frequency on the monitor?Unlock the OSD by pressing the MENU button for at least 5 seconds. Make sure the video card is fully inserted in it's slot. Reboot the computer. Set the video card by referring to the video card manual. Adjust screen image position and size using the OSD. Adjust the resolution and frequency of the video card. (Refer to the Preset Timing Modes). 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. [. . . ] Transport and Storage Limitations: Temperature Range of -40¡ÆC to +70¡ÆC Relative Humidity of 10 -95%, non-condensing * Bio-accumulative is defined as substances which accumulate within living organisms. ** Lead, Cadmium and Mercury are heavy metals which are Bio-accumulative. Mercury Statement (LCD Monitor, LCD TV, DLP Projection TV, Projector for USA only) LAMP(S) INSIDE THIS PRODUCT CONTAIN MERCURY AND MUST BE RECYCLED OR DISPOSED OF ACCORDING TO LOCAL, STATE OR FEDERAL LAWS For details see lamprecycle. org, eiae. org, or call 1-800-Samsung PRODUCT INFORMATION (Image Retention Free) LCD Monitors and TVs may have image retention when switching from one image to another especially after displaying a stationary image for a long time. This guide is to demonstrate correct usage of LCD products in order to protect them from Image retention. During normal operation of a LCD panel, pixel image retention doesn't occur. [. . . ]