User manual ACER M230HDL

[. . . ] Do not use liquid cleaners or aerosol cleaners. Use a damp cloth for cleaning. CAUTION for plug as disconnecting device Observe the following guidelines when connecting and disconnecting power to the power supply unit: Install the power supply unit before connecting the power cord to the AC power outlet. Unplug the power cord before removing the power supply unit from the computer. If the system has multiple sources of power, disconnect power from the system by unplugging all power cords from the power supplies. CAUTION for Accessibility Be sure that the power outlet you plug the power cord into is easily accessible and located as close to the equipment operator as possible. [. . . ] Press any key to turn the display back on. If pressing a key does not turn the display back on, three things might be the cause: · · · The brightness level might be too low. Press <Fn> + < > (increase) to adjust the brightness level. The display device might be set to an external monitor. Press the display toggle hotkey <Fn> + <F5> to toggle the display back to the computer. If the Sleep indicator is lit, the computer is in Sleep mode. Press and release the power button to resume. No audio is heard from the computer. Check the following: · The volume may be muted. In Windows, look at the volume control (speaker) icon on the taskbar. If it is crossed-out, click on the icon and deselect the Mute all option. In Windows, look at the volume control icon on the taskbar. You can also use the volume control buttons to adjust the volume. Connect the AC adapter and fully charge the battery. Turn on the computer and operate using battery power. Fully deplete the battery until the battery-low warning appears. Reconnect the AC adapter and fully charge the battery again. 9 Follow these steps again until the battery has been charged and discharged three times. Use this conditioning process for all new batteries, or if a battery hasn't been used for a long time. If the computer is to be stored for more than two weeks, you are advised to remove the battery pack from the unit. English Warning: Do not expose battery packs to temperatures below 0°C (32°F) or above 45°C (113°F). Extreme temperatures may adversely affect the battery pack. By following the battery conditioning process you condition your battery to accept the maximum possible charge. Failure to follow this procedure will prevent you from obtaining the maximum battery charge, and will also shorten the effective lifespan of the battery. In addition, the useful lifespan of the battery is adversely affected by the following usage patterns: · Using the computer on constant AC power with the battery inserted. If you want to use constant AC power, you are advised to remove the battery pack after it is fully charged. Not discharging and recharging the battery to its extremes, as described above. [. . . ] Above all, it provides no assurance that any item will work correctly in all respects with another item of Telepermitted equipment of a different make or model, nor does it imply that any product is compatible with all of Telecom's network services. This equipment is not capable, under all operating conditions, of correct operation at the higher speeds for which it is designed. Telecom will accept no responsibility should difficulties arise in such circumstances. Some parameters required for compliance with Telecom's Telepermit requirements are dependent on the equipment (PC) associated with this device. [. . . ]