Acer H7531d Dlp Users Guide

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Note: H. Position, V. Position, Frequency and Tracking functions 
are not supported under HDMI or Video mode. H. Position 
(Horizontal 
position)
•Press   to move the image left.
•Press   to to move the image right.
V. Position 
(Vertical position)
•Press   to move the image down.
•Press   to move the image up.
Frequency Frequency changes the projectors refresh rate to match the 
frequency of your computer’s graphics card. If you can see a vertical 
flickering bar in the projected image, use this function to make the 
necessary adjustments.
Tracking Synchronizes the signal timing of the projector with the graphics card. 
If you experience an unstable or flickering image, use this function to 
correct it.
HDMI Scan Info Adjust the overscan ratio of the HDMI image on screen.
•Auto: Automatically adjust by information from player.
•Underscan: Always no overscan on HDMI image.
•Overscan:   Always keep overscan on HDMI image.
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Management
Setting
ECO Mode Choose On to dim the projector lamp which will lower power 
consumption, extend the lamp life and reduce noise.  Choose Off 
to return normal mode.
High Altitude Choose On to turn on High Altitude mode. Operate the fans at 
full speed continuously to allow for proper high altitude cooling of 
the projector.
Auto Shutdown The projector will automatically shutdown when there is no signal 
input after the allocated time. (in minutes)
Lamp Hour Elapse Displays the lamp’s elapsed operating time (in hours).
Lamp Reminding Activate this function to display a reminder to change the lamp 30 
hours before its expected end-of-life.
Lamp Hour Reset
Press the   button and choose Yes to turn the lamp hour 
counter to 0 hours.
Menu Location Choose the menu location on the display screen.
Closed Caption Selects 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.
 Set your screen aspect ratio to 4:3. This function is not 
available when the aspect ratio is 16:9 or Auto .
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EnglishSecuritySecurity
This projector provides a useful security function for the 
administrator to manage usage of the projector .
Press   to change the Security setting. If the security function 
is enabled, your must enter the Administrator Password first 
before changing the security settings.
•Select On to enable the security function. The user has to 
enter a password to operate the projector. Please refer to the 
User Password section for details.
•If Off is selected, then the user can turn on the projector 
without password.
Timeout(Min.)
Once Security is activated to On, the administrator can set 
timeout function.
•Press   or   to select the timeout interval.
•The range is from 10 minute to 990 minutes.
•When the time is up, the projector will prompt the user to 
enter the password again.
•The factory default setting of Timeout(Min.) is Off.
•Once the security function is enabled, the projector will 
request user to enter password when switch on the projector . 
Both User Password and Administrator Password can be 
accepted for this dialogue.
User password
•Press   to setup or change the User Password.
•Press number keys to set your password on the remote control 
and press MENU to confirm. 
•Press   to delete character.
•Enter the password when you see Confirm Password 
displayed.
•The password should be between 4 and 8 characters long.
•If you select Request password only after plugging power 
cord, the projector will prompt the user to enter the 
password every time the power cord is plugged.
•If you select Always request password while projector turns 
on, the user has to enter the password every time when the 
projector is turned on.
Note: This screen capture function is limited by 4:3 aspect ratio only.
Note: For XGA models, to get best quality for you desired image, suggest 
end-user set PC resolution to 1024 x 768 before you use this function.
Note: For SVGA models, to get best quality for you desired image, suggest 
end-user set PC resolution to 800 x 600 before you use this function.
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Note: When PIP function is activated, zoom and keystone function 
is unavailable.
Administrator Password
The Administrator Password can be used in both the Enter 
Administrator Password and Enter Password dialog boxes.
•Press   to change the Administrator Password.
•The factory default of Administrator Password is 1234.
If you forgot your administrator password, do the following to 
retrieve the administrator password:
•An unique 6-digit Universal Password which is printed on 
the Security Card (please check accessory in the box). This 
unique password is the number which will be accepted by 
projector anytime no matter what the Administrator 
Password is.
•If losing this security card and number, please contact with an 
Acer service center.
Auto Screen Default is On, the down/up move of electronic screen will be 
related with power on/off of Projector.
Reset
•Press the   button and choose Yes to return the 
parameters on all menus to the factory default settings.
PIP
•Choose On to see two screens at the same time.
•Choose Off to disable the function.
PIP Source
Press   and   to choose the secondary video source: 
Composite, S-Video or Component signal.
PIP Location Choose the PIP secondary signal location on the display screen.
PIP Size Choose the PIP secondary signal size on the display screen.
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EnglishAudio
Timer
Volume•Press   to decrease the volume.
•Press   to increase the volume.
Mute
•Choose On to mute the volume. 
•Choose Off to restore the volume. 
Power On/Off Volume
•Select this function to adjust the notification volume when 
turning the projector on/off.
Alarm Volume
•Select this function to adjust the volume of any warning 
notifications.
Timer Location
•Choose the location of the timer on the screen.
Timer Start
•Press   to start or stop the timer.
Timer Period
•Press   or   to adjust the timer period.
Timer Volume
•Select this function to adjust the notification volume when 
the timer function is enabled and time is up.
Timer Display
•Press   or   to which timer mode to display on the 
screen.
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Language
Language
Choose the multilingual OSD menu. Use the or key 
to select your preferred menu language.
•Press   to confirm the selection.
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EnglishAppendices
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•Connected as described in the Getting Started 
section.
•Ensure none of the connector pins are bent or 
broken.
•Check if the projector lamp has been securely 
installed. Please refer to the Replacing the Lamp 
section.
•Make sure you have removed the lens cap and the 
projector is switched on.
2 Partial, scrolling 
or incorrectly 
displayed 
image(For PC 
(Windows 95/98/
2000/XP))
•Press RESYNC on the remote control or control 
panel.
•For an incorrectly displayed image:•Open My Computer, open the 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 UXGA (1600 x 1200).
•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 UXGA (1600 x 1200).
•Click the Change button under the 
Monitor tab.
•Click Show all devices. Next, select 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 UXGA 
(1600 x 1200).
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3 Partial, scrolling 
or incorrectly 
displayed image 
(For notebooks)•Press RESYNC on the remote control or control 
panel.
•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
•Adjust the Tracking to correct it. Refer to the 
Image section for more information.
•Change the display color depth settings 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
•Make sure the lens cap is removed.
•Adjusts the focus ring on the projector lens.
•Make sure the projection screen is within the 
required distance of 4.9 to 32.9 feet (1.5 to 10.0 
meters) from the projector. 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 in 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.
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Problems with the Projector
9 Image is too small 
or too large•Adjust the zoom ring on the top of the projector.
•Move the projector closer to or further from the 
screen.
•Press MENU on the remote control or on the 
control panel. 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.
•Press the Keystone   /    on the OSD or the 
remote control until the sides are vertical.
11 Image is reversed
•Select Image --> Projection 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.
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OSD Messages
# Condition Message Reminder
1 Message Fan Fail - the system fan is not working.
Projector Overheated - the projector has exceeded its 
recommended operating temperature and must be allowed to 
cool down before it may be used.
Replace the lamp - the lamp is about to reach its maximum 
lifetime. Prepare to replace it soon.
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