Acer AL2251W Service Manual

Also see for AL2251W: User guide Service guide

Acer AL2251W Service Manual Manual pdf 27 page image

LogoWhen the monitor is power on, the LOGO will be showed in the center, and disappear slowly.How To Optimize The DOS-ModePlug And PlayPlug & Play DDC2B FeatureThis monitor is equipped with VESA DDC2B capabilities according to the VESA DDC STANDARD. It allows themonitor to inform the host system of its identity and, depending on the level of DDC used, communicate additionalinformation about its display capabilities.The DDC2B is a bi-directional data channel based on the I²C protocol. The host can request EDID information overthe DDC2B channel.This monitor will appear to be non-functional if there is no video input signal. In order for this monitor tooperate properly, there must be a video input signal.This monitor meets the Green monitor standards as set by the Video Electronics Standards Association (VESA)and/or the United States Environmental Protection Agency (EPA) and The Swedish Confederation Employees(NUTEK). This feature is designed to conserve electrical energy by reducing power consumption when there is novideo-input signal present. When there is no video input signals this monitor, following a time-out period, willautomatically switch to an OFF mode. This reduces the monitor's internal power supply consumption. After the videoinput signal is restored, full power is restored and the display is automatically redrawn. The appearance is similar toa "Screen Saver" feature except the display is completely off. Pressing a key on the keyboard, or clicking the mouserestores the display.Using The Right Power CordThe accessory power cord for the Northern American region is the wallet plug with NEMA 5-15 style and is UL listedand CSA labeled. The voltage rating for the power cord shall be 125 volts AC.Supplied with units intended for connection to power outlet of personal computer: Please use a cord set consisting ofa minimum No. 18 AWG, type SJT or SVT three conductors flexible cord. One end terminates with a grounding typeattachment plug, rated 10A, 250V, and CEE-22 male configuration. The other end terminates with a molded-on typeconnector body, rated 10A, 250V, having standard CEE-22 female configuration.Please note that power supply cord needs to use VDE 0602, 0625, 0821 approval power cord in European counties.27