Acer Projector H7550ST User Manual

1
EnglishIntroduction
Product Features
This product is a single-chip DLP® projector, including the following 
outstanding features:
•DLP® technology
•Native 1920 x 1080 1080p resolution, Auto/Full/4:3/16:9/L.Box aspect ratio 
supported
•Enables projecting 3D content via DLP Link Technology: Blu-Ray 3D 
supported and Nvidia 3DTV Play Ready
•Enriches 3D experience for 2D contents via 2D to 3D convert function
•One-touch 3D button on remote control allows quick and easy access to 
the 3D functions
•Acer...

2
English
Package Overview
This projector comes with all the items shown below. Check to make sure you 
have them all. Contact your dealer immediately if any thing is missing.
Projector Power cord VGA cable
Security card User’s guide (CD-ROM) Remote control
Quick start guide Battery x 2 WirelessHD dongle kit 
(Optional)
Carrying case
 (Optional) 

3
EnglishProjector Overview
Projector Outlook
Front/upper side
Rear side
#Description#Description
1 Control panel 5 Focus ring and Zoom ring
2 Speaker 6 HDMI (MHL) connector
Micro USB cable
3 Elevator button 7 Projection lens
4 Power key and Power indicator LED 8 Remote control receiver
#Description#Description
1 RS232 connector 8 Audio input connector
Audio output connector
2 HDMI (MHL) connector
3 HDMI connector 9 Tilt adjusting wheel
4 Mini USB connector 10 Power socket
5 S-Video input connector...

4
English
Control Panel
#FunctionDescription
1 LAMP Lamp Indicator LED.
2POWER indicator 
LEDRefer to the Turning the Projector On/Off section.
3 Keystone Adjusts image distortion caused by tilting projection 
(±40 degrees).
4 RESYNC Automatically synchronizes the projector to the input 
source.
5 MENU Launches the Onscreen Display (OSD) menu, returns to 
the previous step for the OSD menu operation or exits 
the OSD menu.
6 Power key Refer to the Turning the Projector On/Off section.
7 TEMP Temp...

5
EnglishRemote Control Layout
#FunctionDescription
1 POWER Refer to the Turning the Projector On/Off section.
2 MEDIA SETUP (No function)
3 ZOOM Zooms the projector display in or out.
4 MODE Chooses a display mode.
5
KeystoneAdjusts image distortion caused by tilting projection 
(±40 degrees).
Four 
directional 
selection 
keysSelects items or makes adjustments to your selection.
6 Keypad 0~9 Press 0~9 to input a password in the Setting > 
Security OSD.
7 VGA To change source to VGA. This connection...

6
English
13 SOURCE Chooses RGB, component video, S-Video, composite 
video, HDMI (MHL) or HDTV source. 
14 HIDE Press HIDE to hide screen image; press again to 
display the image.
15 MENU Launches the Onscreen Display (OSD) menu, returns to 
the previous step for the OSD menu operation or exits 
the OSD menu.
16 PgUp/PgDn For computer mode only. Use this button to select the 
next or previous page. This function is only available 
when connected to a computer via a USB cable.
17 VIDEO To change source...

7
EnglishMHL Feature Introduction
When your smart device is connected to the projector, you can use some 
buttons on the remote control to control your smart device. Press MODE for 
one second to enter or leave the MHL control mode. After entering the MHL 
control mode, press SOURCE to switch between the navigation mode 
(default), media mode and numeric mode.
#Function
Description
Navigation 
modeMedia modeNumeric mode
4 MODE Long press for one second to enter or leave the 
MHL control mode.
13 SOURCE...

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English
Getting Started
Connecting the Projector
#Description#Description
1 Power cord 7 RS232 cable
2 VGA cable 8 USB cable
3 VGA to component video/HDTV adapter 9 3 RCA component cable
4 Composite video cable 10 HDMI (MHL) cable
1
2
DVD player, 
Set-top box, 
HDTV receiver VGA
RS232Video/S-Video 
Output
Display
Speakers Smartphone/
tablet
 
 
  

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English
Note: To ensure the projector works well with your computer, 
please make sure the timing of the display mode is compatible 
with the projector.
Note: Some smart devices require a converter (supplied by the 
smart device maker) to enable the MHL function.
Note: Compatible HDMI/MHL dongles: WirelessHD, MWA3, 
Android, Chromecast
TM.
Turning the Projector On/Off 
Turning On the Projector
1 Ensure that the power cord and signal cable are securely connected. 
The Power LED will light red.
2 Turn on...

10
English
Turning Off the Projector
1 To turn the projector off, press the power button. This message 
appears:
Please press power button again to complete the shutdown process
Press the power button again.
2 The LED Power indicator will turn solid red to indicate standby mode.
3 It is now safe to unplug the power cord.
When Instant Resume is selected:
1 The LED Power indicator will turn RED and blink rapidly after the 
projector is turned off, and the fan(s) will continue to operate for 
about 2...