Assessments - 2, GPA: 4.5
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Facilidade de uso
Only one effect can be enabled at a time. Highlight an effect and press Select to choose a different one. The default effect is Freeze. Blank: shows an empty screen. Mute: turns off all sound. Aspect Ratio: sets the ratio of the image width to image height. Source: cycles through the available sources. Auto Image: causes computer sources to be reacquired. Freeze: pauses the projected image. Zoom: lets you magnify a part of the screen. This feature only works if you purchase an optional remote control with mouse buttons and cursor control. To use the Zoom effect, press Effect, then press the left mouse button to zoom the image, press the right mouse decrease the magnification. You can use the cursor control to pan the image, displaying different parts of it ( only if the image is magnified). To return to the original size and cancel Zoom, press the Effect button a second time. About: displays the About menu. PiP: (Picture in Picture) allows you to overlay a smaller window showing the video source on top of the larger computer source window. You must have both a computer and video source connected to use PIP. You can’t show a computer image in the smaller PiP window, only a video image. You can select a small, medium, or large window. You can also move the PiP window on the screen using the PiP Position X and Y options in the menu. Press the up and down arrows to change the position. Mask: allows you to cover part of the image with a black curtain. Press the up and down arrows to raise or lower the curtain on the image. Effect Key Picture in Picture 35 Network: The C180 has an RJ45 Ethernet connector that supports network connections and TCP/ IP protocols. This will allow for the control and management of the projector over a corporate network. The following fields are accessible when DHCP is not checked and available for manual entry of data. IP Address: Identifies the projector on the network. Subnet mask: Separates the network address part of the IP address. Default gateway: The IP address of the local router. DHCP: Select this to automatically obtain an IP address, Subnet mask, and Default gateway. Network Info: Provides information on the network configuration. The Network Info menu is informational and cannot be edited. It displays the current IP Address, Subnet Mask, Default Gateway, and the projector’s MAC Address. Language: allows you to select a language for the onscreen display of menus and messages. Service: to use these features, highlight them and press Select. Factory Reset: restores all settings (except Lamp Hours and Network settings) to their default after displaying a confirmation dialog box. Reset Lamp: resets the lamp hours counter in the About menu to zero. Do this only after changing the lamp. It displays a confirmation dialog box. Service Info: provides information about the projector’s software version and the active source. Service Code: only used by authorized service personnel. Network Network Info Language Service menu 36 Maintenance Cleaning the lens 1 Apply a non- abrasive camera lens cleaner to a soft, dry cloth. Avoid using an excessive amount of cleaner, and don’t apply the cleaner directly to the lens. Abrasive cleaners, solvents or other harsh chemicals might scratch the lens. 2 Lightly wipe the cleaning cloth over the lens in a circular motion. If you don’t intend to use the projector immediately, replace the lens cap. clean the lens with a soft dry cloth and non- abrasive cleaner 37 Replacing the projection lamp The lamp hour timer in the About menu counts the number of hours the lamp has been in use. When the lamp timer reaches the estimated total lamp life, the LED on the projector’s keypad blinks red (indicating a lamp error, see page 42) and a dialog box appears each time the projector is turned on. You can order new lamp modules from your dealer. See “ Accessories” on About menu page 41 for information. turn off and unplug the projector 1 Turn off the projector and unplug the power cable. 2 Wait 60 minutes to allow the projector to cool thoroughly. computer 2 network monitor out audio out audio in L audio in serial control computer in video 2 computer 1 video in R S-video 1 wait 60 minutes 3 Turn the projector upside down and remove the lamp door by loosening the captive screw and then prying the lamp door out. loosen the screw on lamp door pry the lamp door off 4 Remove the two screws on the lamp module. remove the screws on lamp module WARNINGS: • To avoid burns, allow the projector to cool for at least 60 minutes before you replace the lamp. • Unplug the power cord before replacing the lamp. • Do not drop the lamp module. The glass may shatter and cause injury. • Do not touch the glass lamp screen. Fingerprints can obscure projection sharpness. 38 • Be extremely careful when removing the lamp housing. In the unlikely event that the lamp ruptures, small glass fragments may be generated. The lamp module is designed to contain most of these fragments, but use caution...