Epson Powerlite 7550c Users Guide
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2 Using the Projector 60 You can use the remote control up to 32.8 feet (10 meters) from the projector. (This distance may be shorter if the remote control batteries are low.) You must also hold the remote control so that it is within ±30 ° left or right of, and ± 15 ° higher or lower than, the infrared receiver. Note: If the projector doesn’t respond to remote commands, the room may be too light or a strong light source (such as direct sunlight) may be hitting the infrared receiver. The presence of a certain type of fluorescent light or equipment emitting infrared energy (such as a radiant room heater) can also interfere with transmission of remote commands. This table summarizes the functions on the remote control. Button Function Source Switches the input source between computer and video. Menu Displays or hides the active menu. When a submenu is displayed, returns to the main menu. Effects buttons Press each Effects button to use its assigned function. The function may be a factory default, or you can assign a new one with the optional ELP Link III software. See “Using the Effects buttons” on page 60 for default settings. Pointer button Lets you navigate the menus. Press left or right to select menu options. Can also be used as a mouse pointer in place of the computer’s mouse pointer. (The projector must be connected to the computer with the mouse cable included with the projector, or with the ELP Link III mouse cable.)
Controlling the Projector 61 Using the Effects buttons The Effects buttons on the remote control allow you to enhance your presentation with special effects (for example, you can use highlighting or a box or line to emphasize different parts of the Top multi-purpose buttonActs as a right mouse click. Press to open submenus. Bottom multi-purpose buttonActs as a left mouse click. Press to open submenus. AV/Mute Turns the projector’s audio and video output off and back on again—clears all special effects, and displays a black, blue, or user-defined logo screen. Resize Resizes the image on the screen to match the resolution of your computer display. See page 56 for details. Custom Lets you zoom the image using the top (zoom out) and bottom (zoom in) multi-purpose buttons. Freeze Keeps the current computer or video image on the screen until pressed again. Help Displays the Help menu. See“Using the Online Help Menu” on page 140 for details. – Volume + Adjusts the volume. Power Turns the projector lamp on or off. Button Function
2 Using the Projector 62 screen). Each button is assigned a function in the factory. You can use the Effect menu to modify the appearance and behavior of these functions. (See “Modifying the Special Effects” on page 81.) If you have the optional ELP Link III software, you can assign different functions to each button, or you can program buttons with your own functions. (See “Assigning Functions to the Effects Buttons” on page 102 for details.) To cancel a function, press the bottom multi-purpose button twice. To repeat a function, move the pointer to a new location and repeat the process. The following table summarizes the default assignments.Button Function Description 1 Pointer Displays the pointer as a three-dimensional arrow (or other user-defined shape) rather than a flat black arrow. 2 Box Draws a box on the screen: Press the Effects button, then press the bottom multi-purpose button once to define the position of one corner. Use the pointer button to move the pointer. Then press the bottom multi- purpose button again to define the position of the opposite corner of the box.
Controlling the Projector 63 3 Line Draws a straight line on the screen: Press the Effects button, then press the bottom multi-purpose button once to define the line position. To draw another line, move the pointer away from the line you just created and press the bottom multi-purpose button again to define the new line position. 4 Marker Lets you highlight an area of the screen with a colored bar: Press the Effects button, then press the bottom multi-purpose button once to define the start position for the bar. Use the pointer button to select the end point of the bar. To draw another bar, move the pointer to the area you want to highlight and repeat the process. (This function can create horizontal and vertical bars only; it cannot draw diagonal lines.) 5 Clear Clears the screen of all special effects. Button Function Description
2 Using the Projector 64 Using the Control Panel Although you must use the remote control to access custom features, such as functions assigned to the Effects buttons, you can use the control panel to perform most standard operations, such as selecting menu options, adjusting volume, or resizing the image on the screen. Enter button
Controlling the Projector 65 The following table summarizes the functions on the control panel. Button Function Power Turns the projector lamp on or off. Source Switches the input source between computer and video. Menu Displays or hides the active menu. Up, down arrows (Sync+/Sync-)Synchronize the computer’s graphic signal to remove flicker. Also let you navigate menus. Left, right arrows (tracking-/ tracking+)Correct vertical fuzzy lines by matching the projector’s internal clock to various computer graphic signals (tracking adjustment). Change menu settings. Enter Selects a menu option. Resize Resizes the image on the screen to match the resolution of your computer display. See page 56 for details. AV/Mute Turns the projector’s audio and video output off and back on again—clears all special effects, and displays a black, blue, or user-defined logo screen. – Volume + Adjusts the volume. Help Displays the Help menu. See “Using the Online Help Menu” on page 140 for details.
2 Using the Projector 66 Projector Status Lights The lights on top of the projector tell you about its operating status. Caution: A red light warns you if a serious problem occurs. See Chapter 6, “Troubleshooting,” for what to do if a warning light comes on. power light projector lamp light temperature light
Projector Status Lights 67 Power Light Light status Meaning Steady orange The projector is in sleep mode. (The projector is plugged in, but not projecting.) Steady green Power and projector lamp are on. Flashing green The projector is warming up. Allow about 30 seconds. Flashing orange The projector is cooling down. Off There is an internal projector problem, or the power to the projector has been cut off.
2 Using the Projector 68 Projector Lamp Light Temperature Light Light status Meaning Orange and red flashing alternatelyThe lamp needs to be replaced. See “Replacing the Lamp” on page 134 for instructions. Steady red Projector lamp has burned out. Replace it to project images. See “Replacing the Lamp” on page 134 for instructions. Flashing red There’s a problem with the projector lamp, lamp power supply, or lamp fuse, or a circuit malfunctioned in the projector. Off The lamp is functioning normally. Light status Meaning Flashing orange Projector is too hot. Steady red Projector has turned off automatically because of overheating. Flashing red There’s a problem with the cooling fan or temperature sensor. Call a service representative. Off The projector is functioning normally.
67 3Adjusting Projector Settings Y ou can use the buttons on the remote control or the projector’s control panel to access seven projector menus, which let you control the following settings: p The Video menu controls the look and quality of the projected image, whether the image source is a computer or another video source (for example, a VCR). p The Audio menu controls audio features, such as the volume level, tone setting, and stereo sound. p The Setting menu lets you adjust basic projector options. p The User’s Logo menu lets you define a logo for the screen and assign it to the AV/Mute button.