Acer Projector H7550ST User Manual

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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.
Note: HDMI Color Range and HDMI Scan Info are only available when 
the input signal is HDMI.
Setting
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...

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Screen CaptureUse this function to customize the startup screen. To capture 
the image that you want to use as the startup screen, follow 
the instructions below.
Notice
Before proceeding with the following steps, make sure that 
the Keystone is set to the default value 0, and the 
Aspect Ratio is set to 4:3. For details, refer to the 
Image section.
•Change the Startup Screen from the default setting 
Acer to User.
•Select Screen Capture to customize the startup screen.
•A dialog box appears...

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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...

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SecurityUser 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...

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EnglishManagement
Audio
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.
Turn Off Mode
•Instant Off: Enables you to turn off the projector 
immediately without fan cooling process by pressing...

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EnglishBT Speaker 
Connection
•Bluetooth: Selecting On enables the function.
•Device Search: Press   to search for available 
devices. Select a device in the list of found devices. 
The projector will automatically try to connect to 
the last connected device the next time you enable 
the Bluetooth function.
Mute
•Choose On to turn mute on.
•Choose Off to turn mute off.
Power On/Off 
Volume
Select this function to adjust the notification volume 
when turning the projector on/off.
Alarm VolumeSelect...

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English3D
Note: Supported 3D signal timings: 
3DSelects On to enable the 3D function supported by 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.
2D to 3D
•2D to 3D: Converts 2D contents to 3D. Note that DLP 3D 
glasses are required to obtain the best 3D effect.
•Mode: Provides several preset 2D to 3D conversion 
modes for your selection. You can also...

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It 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 and 3D Format are only available when 3D is 
enabled....

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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•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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English3 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...