User manual LG M4224F

[. . . ] User's Guide M4224C M4224F Make sure to read the Safety Precautions before using the product. Keep the User's Guide(CD) in an accessible place for future reference. See the label attached on the product and give the information to your dealer when you ask for service. Sellers or users should understand that this device is for public use, not home use. Connecting the stand - Only on some models. 1. Take the parts for the stand out of the box and assemble them as shown in the picture. Parts First, check if the following parts are all present. Screws (4) Stand (2) 2. Place a soft cloth on the table and put the product with the screen facing downward. Connect the stand as shown in the following picture. 3. [. . . ] · Install the product driver, which is provided with the product, or download it from the web site. (http://www. lge. com) · See if the plug&play function is supported by referring to the video card user manual. ' Key Lock On' message appears. G The 'Key Lock On' message appears when pressing the Menu button. · The control locking function prevents unintentional OSD setting change due to careless usage. To unlock the controls, simultaneously press the Menu button and button for several seconds. (You cannot set this function using the remote control buttons. You can set this function in the product only. ) L Note * Vertical frequency: To enable the user to watch the product display, screen image should be changed tens of times every second like a fluorescent lamp. The vertical frequency or refresh rate is the times of image display per second. * Horizontal frequency: The horizontal interval is the time to display one vertical line. When 1 is divided by the horizontal interval, the number of horizontal lines displayed every second can be tabulated as the horizontal frequency. The unit is kHz. 34 Troubleshooting The screen image looks abnormal. G Is the screen position wrong?· D-Sub analog signal ­ Press the "AUTO" button in the remote control to automatically select the optimal screen status that fits into the current mode. If adjustment is not satisfactory, use the Position OSD menu. · See if the video card resolution and frequency are supported by the product. If the frequency is out of range, set to the recommended resolution in the Control Panel ­ Display ­ Setting menu. · D-Sub analog signal ­ Press the "AUTO" button in the remote control to automatically select an optimal screen status that fits into the current mode. If adjustment is not satisfactory, use the Clock OSD menu. · D-Sub analog signal ­ Press the "AUTO" button in the remote control to automatically select an optimal screen status that fits into the current mode. If adjustment is not satisfactory, use the Phase OSD menu. · The proper input signal is not connected to the signal port. Connect the signal cable that matches with the source input signal. G Do thin lines appear on the background screen? G Horizontal noise appears or the characters look blurred. G The screen is displayed abnormally. After-image appears on the product. G After-image appears when the product is turned off. · If you use a fixed image for a long time, the pixels may be damaged quickly. Use the screen-saver function. 35 Troubleshooting The audio function does not work. G No sound? [. . . ] Transmission [f][g][][Set ID][][Data][Cr] Data 0 : Off 1: On Acknowledgement [g][][Set ID][][OK/NG][Data][x] L L A25 RS-232C Controlling the Multiple Product Transmission / Receiving Protocol 42. Power On Delay (Command : f h) Set the schedule delay when the power is turned on (Unit: second). Transmission [f][h][][Set ID][][Data][Cr] Data : 00H ~ 64H (Data value) Acknowledgement [h][][Set ID][][OK/NG][Data][x] L L 43. Language (Command : f i) Set the OSD language. [. . . ]