Acer He 720 Users Guide

							31
EnglishAudio
Note: Functions vary depending on model definition. 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.
Downloaded From projector-manual.com Acer Manuals 
						

							32
English
3D
Note: It needs correct settings on graphic card 3D application program for 
correct 3D display.
Note: The SW players, such as Stereoscopic Player and DDD TriDef Media 
Player can support 3D format files. You can download these three players 
on 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 L/R Invert is only available when 3D is enabled.
Note:  There has reminder screen if 3D still enable when power on projector. 
Please adjust setting depended on your purpose.
Language
3D Choose On to enable DLP 3D function.
•On: Choose this item while using DLP 3D glasses, 120Hz 3D 
capable graphics cards and HQFS format file or DVD with 
corresponding SW player.
•Off: Turn off 3D mode.
3D Format If the 3D content is not displayed correctly, you can select a 3D 
format that suits the 3D content you are viewing and obtain the 
best result.
3D L/R 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.
Language
Choose the multilingual OSD menu. Use the or key 
to select your preferred menu language.
•Press   to confirm the selection.
Downloaded From projector-manual.com Acer Manuals 
						

							33
EnglishAcer LAN webpage management
How to login in
Open browser and enter the Server IP address by 192.168.100.10 to find below 
homepage of acer LAN webpage management. A password is needed to login 
in before using.
Select a user. Administrator is with high authority that can process more 
operations such as network setting and alert setting. Default password of 
administrator is admin. And User is with normal authority with default 
password by user. Click Login button to enter into homepage with correct 
password.
Downloaded From projector-manual.com Acer Manuals 
						

							34
English
Home
Home page shows connection status and you can find three main functions 
listed, Control Panel, Networking Setting and Alert Setting.
Note: Control Panel and Network Setting are only for Administrator 
account.
Control Panel
Enduser can control and adjust projector setting value via this page.
Downloaded From projector-manual.com Acer Manuals 
						

							35
EnglishNetwork Setting
Enduser can set IP address, group name and password as wish. After change 
network configurations or password, projector will reboot automatically after 
press Apply.
Note: Group Name and projector Name must be less then 32 characters.
Alert Setting
Enduser can send mail with error message right away if projector has problem.
Downloaded From projector-manual.com Acer Manuals 
						

							36
English
Logout
After tap Logout, you will return to login page within 5 seconds.
Note: Functions vary depending on model definition.
Downloaded From projector-manual.com Acer Manuals 
						

							37
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 
2000/XP/Vista/
Windows 7/ 
Windows 8))
•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 WUXGA-RB (1920 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 WUXGA-RB (1920 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 
WUXGA-RB (1920 x 1200).
Downloaded From projector-manual.com Acer Manuals 
						

							38
English
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 3.9 to 39.0 feet (1.2 to 11.9 
meters) (SVGA/XGA series) / 3.3 to 32.9 feet (1.0 to 
10.0 meters) (WXGA series) / 3.3 to 33.8 feet (1.0 to 
10.3 meters) (720p series) / 4.9 to 32.9 feet (1.5 to 
10.0 meters) (1080p series) from the projector. Refer 
to the How to Get a Preferred Image Size by 
Adjusting Distance and Zoom section for more 
information.
Downloaded From projector-manual.com Acer Manuals 
						

							39
English8 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.
•If you play an Letterbox (LBX) format DVD title, 
please change the format to Letterbox (LBX) in the 
projector OSD.
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 remote control. Go to Image -
-> Aspect Ratio and try different settings or 
pressAspect Ratio on the remote control to adjust 
directly.
10 Image has slanted 
sides
•If possible, reposition the projector so that it is 
centered on the screen.
•Press the Keystone   /   button on the remote 
control until the sides are vertical.
•Press MENU on the remote control. Go to Image -
-> Auto Keystone and choose Off on the OSD, if 
Keystone button is not available on the remote 
control.
11 Image is reversed
•Select Image --> Projection on the OSD and adjust 
the projection direction.
Downloaded From projector-manual.com Acer Manuals 
						

							40
English
OSD Messages
Problems with the Projector
# 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.
# 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