Acer X1140a Users Guide
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21 English Note: H. Position, V. Position, Frequency and Tracking functions are not supported under video mode. Note: Sharpness function is not supported under computer mode. Manual KeystoneManually adjusts image distortion caused by tilting projection (±40 degrees). The Manual Keystone function is unavailable under Auto Keystone setting to On. SharpnessAdjusts the sharpness of the image. •Press to decrease the sharpness. •Press to increase the sharpness. H. Position (Horizontal Position) •Press to move the image left. •Press to move the image right. V. Position (Vertical Position) •Press to move the image down. •Press to move the image up. FrequencyChanges the projector’s refresh rate to match the frequency of your computer’s graphics card. If you experience a vertical flickering bar in the projected image, use this function to correct it. TrackingSynchronizes the signal timing of the display with the graphics card. If you experience an unstable or flickering image, use this function to correct it. Downloaded From projector-manual.com Acer Manuals
22 English Setting Closed CaptionSelects a preferred closed captioning mode from CC1, CC2, CC3, CC4, (CC1 displays captions in the primary language in your area). Select Off to turn off the captioning feature. This function is only available when a composite video or S- Video input signal is selected and its system format is NTSC. VGA OUT (Standby)Selecting On enables the function. The projector can output a VGA signal when it is in standby mode and the VGA IN (or VGA IN 1) and VGA OUT sockets are correctly connected to the devices. Enabling this function slightly increases the standby power consumption. ResetPress after choosing Yes to return the display parameters on all menus to the factory default settings. SecuritySecurity This projector provides a useful security function for the administrator to manage the projector. Press to change the Security setting. If the security function is enabled, your must enter Administrator Password first before changing the security setting. The factory default of Administrator Password is 1234. •Select On to enable the security function. You have to enter password depending on the Security Mode. Please refer to User Password section for details. •If Off is selected, you can switch on the projector without password. Downloaded From projector-manual.com Acer Manuals
23 EnglishTimeout (Min.) Once Security is set to On, you can set timeout function. •Press to select timeout duration. •The range is from 10 to 990 minutes. •When time is up, the projector will request you to enter the password again. •The factory default setting of Timeout (Min.) is Off. •Once the security function is enabled, the projector will request you to enter password when switching on the projector. Both User Password and Administrator Password can be accepted for this dialogue. User Password •Press to set up or change User Password. •Use the numerical keys on the remote control to set the password and press MENU to confirm. •To delete the digits, Press . •Enter the password again when you see Confirm Password displayed. •The password should be 4~8 digits in length. •If you select Request password only after plugging power cord, you are requested to input the password every time the power cord is plugged. •If you select Always request password while projector turns on, you are requested to input the password every time the projector is turned on. Downloaded From projector-manual.com Acer Manuals
24 English Management Administrator Password You can enter Administrator Password when the Enter Administrator Password or Enter Password dialogue box displays. •Press to change Administrator Password. •The factory default of Administrator Password is 1234. If you forget your administrator password, do the following to retrieve the administrator password: •Enter the unique 6-digit Universal Password which is printed on the Security Card that came with your projector. This unique password will be accepted by the projector no matter what the administrator password is. •If the Security Card is lost, please contact your local Acer service center. ECO ModeChoose On to dim the projector lamp, which will also lower the power consumption, reduce noise, and extend the lamp life. Choose Off to return to the normal mode. High AltitudeChoose On to turn on the High Altitude mode. When this function is turned on, the projector fans operate at full speed continuously to cool down the projector’s temperature. Downloaded From projector-manual.com Acer Manuals
25 English Audio Turn Off Mode •Instant Off: Enables you to turn off the projector immediately without fan cooling process by pressing the power button twice. •Instant Resume: Enables you to restart the projector immediately within 2 minutes after turning it off. Auto Shutdown (Minutes)The projector will automatically shut down while there is no signal input detected after the setting time. Lamp Hour ElapseDisplays the lamp’s elapsed operating time (in hours). Lamp RemindingChoose this function to show or hide warning message when the changing lamp message is displayed. The message will show up 30 hours before end of life. Lamp Hour ResetPress after choosing Yes to turn the lamp hour counter to 0 hours. Volume •Press to decrease the volume. •Press to increase the volume. Mute •Choose On to turn mute on. •Choose Off to turn mute off. Downloaded From projector-manual.com Acer Manuals
26 English 3D Note: Supported 3D signal timings: 3D Selects On to enable the 3D function supported by TI DLP 3D technology. •On Select this item while using DLP 3D glasses, quad buffer (NVIDIA/ATI...) graphics card and HQFS format file or DVD with corresponding SW player. • Off Turns off the 3D mode. 3D Sync Invert If you see a discrete or overlapping image while wearing DLP 3D glasses, you may need to execute Invert to get best match of left/right image sequence to get the correct image (for DLP 3D). 3D Warning Message Choose On to display the 3D warning message. Signal source type Supported timing VGA 640 x 480@100Hz, 640 x 480@120Hz, 800 x 600@100Hz, 800 x 600@120Hz, 1024 x 768@100Hz, 1024 x 768@120Hz Downloaded From projector-manual.com Acer Manuals
27 EnglishIt needs correct settings on graphics card 3D application program for correct 3D display. The SW players, such as Stereoscopic Player and DDD TriDef Media Player can support 3D format files. You can download these players on the web page below. - Stereoscopic Player (Trial): http://www.3dtv.at/Downloads/Index_en.aspx - DDD TriDef Media Player (Trial): http://www.tridef.com/download/TriDef- 3-D-Experience-4.0.2.html Note: 3D Sync Invert is only available when 3D is enabled. Language LanguageSets a language for the OSD menus. Use to select your preferred language. Downloaded From projector-manual.com Acer Manuals
28 English Appendices Troubleshooting If you experience a problem with your Acer projector, refer to the following troubleshooting guide. If the problem persists, please contact your local reseller or service center. Image Problems and Solutions # Problem Solution 1 No image appears onscreen•Make sure all the cables are correctly connected as described in the Getting Started section. •Ensure none of the connector pins are bent or broken. •Check if the projection lamp has been securely installed. Please refer to the Replacing the Lamp section. •Make sure the projector is switched on. 2 Partial, scrolling or incorrectly displayed image (For PC (Windows 95/98/2000/XP/ Win7/Vista)) •Press RESYNC on the control panel or remote control. •For an incorrectly displayed image:•Open My Computer > Control Panel, and then double-click the Display icon. •Select the Settings tab.•Verify that your display resolution setting is lower than or equal to 1600 x 1200, 1920 x 1080. •Click the Advanced Properties button. If the problem still appears, change the monitor display you are using and follow the steps below: •Verify that the resolution setting is lower than or equal to 1600 x 1200, 1920 x 1080. •Click the Change button under the Monitor tab. •Click Show all devices > Standard monitor types under the SP box, and choose the resolution mode you need under the Models box. •Verify that the resolution setting of the monitor display is lower than or equal to 1600 x 1200, 1920 x 1080. Downloaded From projector-manual.com Acer Manuals
29 English 3 Partial, scrolling or incorrectly displayed image (For notebooks)•Press RESYNC on the control panel or remote control. •For an incorrectly displayed image:•Follow the steps for item 2 (above) to adjust the resolution of your computer. •Press the toggle output settings. Example: [Fn]+[F4], Compaq [Fn]+[F4], Dell [Fn]+[F8], Gateway [Fn]+[F4], IBM [Fn]+[F7], HP [Fn]+[F4], NEC [Fn]+[F3], Toshiba [Fn]+[F5] •If you experience difficulty changing resolutions or your monitor freezes, restart all equipment including the projector. 4 The screen of the notebook computer is not displaying your presentation •If you are using a Microsoft® Windows® based notebook: Some notebook PCs may deactivate their own screens when a second display device is in use. Each has a different way to be reactivated. Refer to your computers manual for detailed information. •If you are using an Apple® Mac® OS based notebook: In System Preferences, open Display and select Video Mirroring On. 5 Image is unstable or flickering •Use Tracking to correct it. Refer to the Image section for more information. •Change the display color setting on your computer. 6 Image has vertical flickering bar •Use Frequency to make an adjustment. Refer to the Image section for more information. •Check and reconfigure the display mode of your graphics card to make it compatible with the projector. 7 Image is out of focus •Adjusts the focus ring on the projector lens. •Make sure the projection screen is within the required distance: 4.9 to 19.7 feet (1.5 to 6 meters) Refer to the How to Get a Preferred Image Size by Adjusting Distance and Zoom section for more information. 8 Image is stretched when displaying a widescreen DVD titleWhen you play a DVD encoded in anamorphic or 16:9 aspect ratio you may need to adjust the following settings: •If you play a 4:3 format DVD title, please change the format to 4:3 with the projector OSD. •If the image is still stretched, you will also need to adjust the aspect ratio. Set up the display format to 16:9 (wide) aspect ratio on your DVD player. Downloaded From projector-manual.com Acer Manuals
30 English Problems with the Projector 9 Image is too small or too large•Adjust the zoom lever on the top of the projector. •Move the projector closer to or further from the screen. •Press MENU on the control panel or remote control. Go to Image > Aspect Ratio and try different settings. 10 Image has slanted sides •If possible, reposition the projector so that it is centered on the screen and below the bottom of the screen. •Press the Keystone correction keys on the control panel or remote control until the image becomes square. •Press MENU on the control panel or remote control to open the OSD menu. Go to Image > Auto Keystone or Image > Manual Keystone to make adjustments. 11 Image is reversed •Select Image > Projection Mode, Image > Projection Location on the OSD and adjust the projection direction. # Condition Solution 1 The projector stops responding to all controlsIf possible, turn off the projector, then unplug the power cord and wait at least 30 seconds before reconnecting power. 2 Lamp burns out or makes a popping soundWhen the lamp reaches the end of its useful life, it will burn out and may make a loud popping sound. If this happens, the projector will not turn on until the lamp module has been replaced. To replace the lamp, follow the procedures in the Replacing the Lamp section. Downloaded From projector-manual.com Acer Manuals