Acer X1140a Users Guide

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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)...

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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...

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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...

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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...

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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...

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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...

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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...

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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....

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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...

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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...