User manual ASK PROXIMA DP5500

[. . . ] Proxima Desktop Projector 5500 User's Guide Final 06/21/96 Warranty Proxima Corporation warrants that the Proxima®, Desktop ProjectorTM product manufactured by Proxima is free from defects in materials and workmanship under normal use during the Warranty Period. The Warranty Period commences on the day of purchase by the end-user. The Projector lamp not covered by this Warranty. Each Proxima product is manufactured from new parts, or new and some used parts. [. . . ] 452 in. TURNING OFF THE PROJECTOR 1 Press and hold the STANDBY/ON key on the Control Panel for one second to turn the lamp off. When using the remote control, press and hold the STANDBY/ON key for two seconds. 2 The fan will stop about one minute later and the ON indicator will glow. Turn the AC POWER switch off. 3-2 Chapter Three CONTROL PANEL KEYS Use the DP5500's control panel keys to turn the projector on or off, adjust the projected image, and to display and hide the menus. Power, warning, and alert lights give you important information about how your projector is working. KEY ON FUNCTION Turns the lamp on or off. Switches between active connected video inputs. Press - to make the picture smaller. STANDBY/ON D AN ST N /O MENU Press any of the MENU keys to display the menu options over the projected image. If a menu selection is not made within five seconds, the menu will disappear. Menu settings are automatically stored when you exit the menus or turn off the projector. See page 3-9 for more information about using the menus. LA P M TE P M IN PU M UT INPUT MUTE BY T ZOOM +/E FOCUS +/OM Adjusts the focus of the image. Resets all image settings to the factory defaults. Hold the button down to display the number of hours that the lamp has already been used. ­ ZO MENU RESET + ­ FO CU S + M EN U RE SE T Figure 3-2 Control Panel keys Using the Desktop Projector 5500 3-3 CONTROL PANEL INDICATORS Power, warning, and alert indicators give you important information about how your projector is working. INDICATOR ON FUNCTION Glows green if AC input and projector power supplies are okay. Glows red if not, or if the air filter door is removed. Flashes green during lamp start-up. ON DB AN ST N /O Y LA P M TE P M IN PU M UT T E Flashes orange during lamp cool-down. TEMP Glows red to warn of an over-temperature condition or if the air filter door on the bottom of the projector is open. ­ ZO OM + ­ FO CU S LAMP Glows red if the projection lamp burns out. Flashes red if the air filter door is removed. + M EN U RE SE T Figure 3-3 The DP5500's Control Panel indicators 3-4 Chapter Three TEMP The TEMP indicator illuminates if the projector overheats or if the air filter door on the bottom of the projector is open. A thermostat automatically turns off the power to the lamp until the projector cools. If an over-temperature condition occurs, perform the following checks while you allow the projector to cool: · Make sure that the room temperature is below 95° F (35° C). · Check the intake and exhaust vents. · Make sure that the fans are working. If the projector has reached an over-temperature condition and the fans are working, you should feel a strong flow of hot air from the top vent and a strong rush of air directly into the front and rear of the projector. If either fan is not working, the projector needs service. [. . . ] Incompatible video system. Turn on computer. If possible check computer with another monitor. No video image projected Video source(s). Check power on the video source(s). Loose cable. Check and secure cable connections between video source and projector. LAMP indicator glowing red Displayed image not square (keystoning) Projected image out of focus Projected image larger than screen Burned-out lamp. Replace lamp assembly. Projector set at an improper angle to projection screen. Projection lens not focused. Adjust relative positions of projector and screen. Adjust the lens focus. Zoom lens not adjusted properly, or projector too far from screen. Adjust zoom lens, or move projector closer to screen. 5-2 Chapter Five PROBLEM Projected image smaller than screen LIKELY CAUSE Zoom lens not adjusted properly, or projector too close to screen. POSSIBLE SOLUTION(S) Adjust zoom lens or move projector away from screen screen. POSIT; if image will not center, check for compatibility problems. Image off-center H. [. . . ]