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Фрагмент инструкции
[Video & S-Video System Select] This feature enables you to select video standards automatically or manually. Normally select [Auto] and the projector will automatically detect the video standard. In the case where the projector has difficulty detecting the video standard, select the appropriate video standard from the menu. This must be done for Video and S-Video respectively. 43 5. Using On-Screen Menu Menu Descriptions & Functions [Information] Displays the status of the current signal and lamp usage. This item has three pages. The information included is as follows: [Usage Time] [Lamp Life Remaining] (%)* [Lamp Hours Used] (H) [Projector Hours Used] (H) * The progress indicator shows the percentage of remaining bulb life. The value informs you of the amount of lamp usage. When the remaining lamp time reaches 0, the Remaining Lamp Time bar indicator changes from 0% to 100 Hours and starts counting down. If the remaining lamp time reaches 0 hours, the projector will not turn on regardless of whether the lamp mode is set to Normal or Eco. Model Lamp life(H) Replacement lamp Normal Eco LT35 2000 2500 LT35LP LT30/LT25 LT30LP [Source] [Horizontal Frequency] [Vertical Frequency] [Video Type] [Sync Type] [Sync Polarity] [Scan Type] [Version] [Firmware] Version [Data] Version 44 5. Using On-Screen Menu Menu Descriptions & Functions [Reset] Returning to Factory Default [Reset] The Factory Default feature allows you to change adjustments and settings to the factory preset for a (all) source (s) except the following: [Current Signal] Resets the adjustments for the current signal to the factory preset levels. The items that can be reset are: [Preset], [Brightness], [Contrast], [Color], [Hue], [Sharpness], [Aspect Ratio], [Horizontal Position], [Vertical Position], [Clock], [Phase], [Noise Reduction], [Telecine] and [Volume]. [All Data] Reset all the adjustments and settings for all the signals to the factory preset. All items can be reset except [Language], [Background], [Communication Speed], [Security], [Lamp Life Remaining], [Lamp Hours Used], and [Projector Hours Used]. To reset the lamp usage time, see “Clearing Lamp Hour Meter [Clear Lamp Hours]” below. Clearing Lamp Hour Meter [Clear Lamp Hours] Resets the lamp clock back to zero. Selecting this option displays submenu for a confirmation. NOTE: The projector will turn off and go into standby mode after 2100 hours (up to 2600 hours in Eco mode) of service. If this happens, press the HELP button on the remote control for 10 seconds to reset the lamp clock back to zero. When the lamp time clock is reset to zero, the LAMP indicator goes out. Do this only after replacing the lamp. 45 46 6. Maintenance This section describes the simple maintenance procedures you should follow to clean the focus sensor, lens and replace the lamp. Cleaning the Lens and Focus Sensor Cleaning the lens Use a blower or lens paper to clean the lens, and be careful not to scratch or mar the lens. LAMP STATUS POWER SOURCE AUTO ADJ. FOCUS ON/STAND BY SELECT Cleaning the focus sensor Use a blower or lens paper to clean the focus sensor. Keep finger prints off the focus sensor. Leaving finger prints in the focus sensor might cause poor focus or short auto focus range. LAMP STATUS POWER SOURCE AUTO ADJ. FOCUS ON/STAND BY SELECT Cleaning the Cabinet 1. Turn off the projector before cleaning. 2. Vacuum the ventilation inlet of the cabinet. COMPUTER IN AUDIO IN S-VIDEO IN VIDEO IN LAMP STATUS POWER SOURCE AUTO ADJ. FOCUS ON/STAND BY SELECT PC CONTROL 47 Replacing the Lamp After your lamp has been operating for 2000 hours (up to 2500 hours in Eco mode) or longer, the LAMP indicator in the cabinet will blink red and the message [The lamp has reached the end of its usable life. Please replace the lamp.] will appear. Even though the lamp may still be working, replace it at 2000 (up to 2500 hours in Eco mode) hours to maintain optimal projector performance. After replacing the lamp, be sure to clear the lamp hour meter. (> page 45) CAUTION • DO NOT TOUCH THE LAMP immediately after it has been used. It will be extremely hot. Turn the projector off and then disconnect the power cable. Allow at least one hour for the lamp to cool before handling. • DO NOT REMOVE ANY SCREWS except two lamp case screws. You could receive an electric shock. • Do not break the glass on the lamp housing. Keep finger prints off the glass surface on the lamp housing. Leaving finger prints in the glass surface might cause an unwanted shadow and poor picture quality. • The projector will turn off and go into standby mode after 2100 (up to 2600 hours in Eco mode) hours of service. If this happens, be sure to replace the lamp. If you continue to use the lamp after 2000 hours (up to 2500 hours in Eco mode) of use, the lamp bulb may shatter, and pieces of glass may be scattered in the lamp case. Do not touch them as the pieces of glass may cause injury. If this happens, contact your NEC dealer for lamp replacement. To replace the ...
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