Acer Projector H7550ST User Manual

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EnglishAdjusting the Projected Image
Adjusting the Height of the Projected Image
The projector is equipped with two elevator feet for adjusting the image 
height.
To raise the image:
1 Press the elevator button.
2 Raise the image to the desired height angle, then release the button 
to lock the elevator foot into position.
3 Use the rear Tilt adjusting wheel to fine-tune the display angle.
To lower the image:
1 Press the elevator button.
2 Lower the image to the desired height angle, then release the button 
to lock the elevator foot into position.
3 Use the rear Tilt adjusting wheel to fine-tune the display angle.
23
1
Tilt adjusting wheel Elevator footElevator button 
						

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English
How to Optimize Image Size and Distance
Consult the table below to find the optimal image sizes achievable when the 
projector is positioned at a desired distance from the screen.
•H7550ST/E155S/HE-815ST/H1P1403/H7550STz
If the projector is 3 m from the screen, good image quality is possible for image 
sizes between 178 and 196.
Note: Remind as below figure, the space of 251 cm height is 
required when the projector is located at 3 m distance.
Desired
Distance 
(m)
< A >Minimum Screen Size (Min zoom) Maximum Screen Size (Max zoom)
Diagonal 
(inch)
< B >W (cm) x H (cm)From base to 
top of image 
(cm)
< C >Diagonal 
(inch)
< B >W (cm) x H (cm)From base to 
top of image 
(cm) 
< C >
1 59 132 x 74 76  65 145 x 82 84 
1.5 89 197 x 111 114  98 217 x 122 125 
2 119 263 x 148 152  131 290 x 163 167 
2.5 149 329 x 185 190  164 362 x 204 209 
3178395 x 222228196435 x 245251 
3.5 208 461 x 259 266  229 507 x 285 292 
4 238 526 x 296 303  262 580 x 326 334 
4.5 267 592 x 333 341  295 652 x 367 376 
5 297 658 x 370 379  327 725 x 408 418 
6 357 789 x 444 455  393 870 x 489 501 
7 416 921 x 518 531  458 1014 x 571 585 
8 475 1053 x 592 607  524 1159 x 652 668 
9 535 1184 x 666 683  589 1304 x 734 752 
10 594 1316 x 740 759  655 1449 x 815 836 
11 654 1447 x 814 834  720 1594 x 897 919 
12 713 1579 x 888 910  786 1739 x 978 1003 
Zoom Ratio: 1.1 x
3 m
Desired distance
Height:
228 cmHeight:
251 cm
From 
base to 
top of 
image
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178196 
						

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English•H7550BD/E155D/HE-815J/H1P1406/H7550BDz
If the projector is 3 m from the screen, good image quality is possible for image 
sizes between 91 and 118.
Note: Remind as below figure, the space of 189 cm height is 
required when the projector is located at 3 m distance.
Desired
Distance 
(m)
< A >Minimum Screen Size (Min zoom) Maximum Screen Size (Max zoom)
Diagonal 
(inch)
< B >W (cm) x H (cm)From base to 
top of image 
(cm)
< C >Diagonal 
(inch)
< B >W (cm) x H (cm)From base to 
top of image 
(cm) 
< C >
1 30 67 x 38 48 39 87 x 49 62
1.5 45 100 x 56 72 59 130 x 73 94
2 61 133 x 75 98 79 174 x 98 126
2.5 76 167 x 94 122 98 217 x 122 157
391200 x 113146118261 x 147189
3.5 106 233 x 131 170 137 304 x 171 219
4 121 267 x 150 194 157 348 x 196 251
4.5 136 300 x 169 218 177 391 x 220 283
5 152 333 x 188 243 196 435 x 245 314
6 182 400 x 225 291 236 522 x 293 378
7 212 467 x 263 339 275 609 x 342 440
8 242 533 x 300 387 314 696 x 391 502
9 273 600 x 338 437 354 783 x 440 566
10 303 667 x 375 485 393 870 x 489 629
11 333 733 x 413 533 432 957 x 538 691
12 364 800 x 450 582 471 1043 x 587 754
Zoom Ratio: 1.3 x
3 m
Desired distance
Height:
146 cmHeight:
189 cm
From 
base to 
top of 
image
Max
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91118 
						

							14
English
How to Get a Preferred Image Size by Adjusting 
Distance and Zoom
The table below shows how to achieve a desired image size by adjusting either 
the position or the zoom ring.
•H7550ST/E155S/HE-815ST/H1P1403/H7550STz
To obtain an image size of 70, set the projector at a distance between 1.1 m 
and 1.2 m from the screen and adjust the zoom level accordingly.
Desired Image Size Distance (m) Top (cm)
Diagonal (inch)
< A >W (cm) x H (cm)Max zoom
< B >Min zoom
< C >From base to top of 
image < D >
30 66 x 37 0.5 38
40 89 x 50 0.6 0.7 51
50 111 x 62 0.8 0.8 64
60 133 x 75 0.9 1.0 77
70155 x 871.11.289
80 177 x 100 1.2 1.3 102
90 199 x 112 1.4 1.5 115
100 221 x 125 1.5 1.7 128
120 266 x 149 1.8 2.0 153
150 332 x 187 2.3 2.5 191
180 398 x 224 2.7 3.0 230
200 443 x 249 3.1 3.4 255
250 553 x 311 3.8 4.2 319
300 664 x 374 4.6 383
Zoom Ratio: 1.1 x
Desired distance
Height:
89 cm
From base 
to top of 
image
70
Desired
image size
1.1 m
1.2 m 
						

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English•H7550BD/E155D/HE-815J/H1P1406/H7550BDz
To obtain an image size of 70 set the projector at a distance between 1.8 m 
and 2.3 m from the screen and adjust the zoom level accordingly.
Desired Image Size Distance (m) Top (cm)
Diagonal (inch)
< A >W (cm) x H (cm)Max zoom
< B >Min zoom
< C >From base to top of 
image < D >
30 66 x 37 1.0 48
40 89 x 50 1.0 1.3 64
50 111 x 62 1.3 1.6 80
60 133 x 75 1.5 2.0 96
70155 x 871.82.3112
80 177 x 100 2.0 2.6 128
90 199 x 112 2.3 3.0 144
100 221 x 125 2.5 3.3 160
120 266 x 149 3.1 4.0 192
150 332 x 187 3.8 4.9 240
180 398 x 224 4.6 5.9 288
200 443 x 249 5.1 6.6 320
250 553 x 311 6.4 8.2 400
300 664 x 374 7.6 480
Zoom Ratio: 1.3 x
Desired distance
Height:
112 cm
From base 
to top of 
image
70
Desired
image size
1.8 m
2.3 m 
						

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English
User Controls
Installation Menu
The Installation menu provides an Onscreen Display (OSD) for projector 
installation and maintenance. Use the OSD only when the message No 
signal is displayed on the screen. 
1 Turn on the projector by pressing   (POWER) on the control panel or 
remote control.
2 Press MENU on the control panel or remote control to launch the 
OSD for projector installation and maintenance.
3 The background pattern acts as a guide to adjusting the calibration 
and alignment settings, such as screen size and distance, focus and 
more.
Note: The OSD screenshot is for reference only and may differ from the 
actual design.
4 The Installation menu includes several options.
Use the up and down arrow keys to select an option, the left and right arrow keys to 
adjust selected option settings, and the right arrow key to enter a submenu for 
feature setting. The new settings will be saved automatically upon exiting the menu.
5 Press MENU anytime to exit the menu and return to the Acer 
welcome screen.
 
 
  
						

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EnglishOnscreen Display (OSD) Menus
The projector has multilingual Onscreen Display (OSD) menus that allow 
you to make image adjustments and change a variety of settings.
Using the OSD menus
•To open the OSD menu, press MENU on the control panel or remote 
control.
•When the OSD is displayed, use   to select an item in the main menu. 
After selecting the desired main menu item, press   to enter a submenu 
for feature setting.
•Use   to select the desired item and adjust the settings by using 
.
•Select the next item to be adjusted in the submenu and adjust as described 
above.
•Press MENU on the control panel or remote control, the screen will 
return to the main menu.
•To exit the OSD menu, press MENU on the control panel or remote 
control again. It will close and the projector will automatically save the 
new settings.
Note: Some of the following OSD settings may not be available. Please refer 
to the actual OSD of your projector.
Main menu
Submenu
Setting 
						

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English
Color
Display ModeThere are many factory presets optimized for various types 
of images.
•Bright: For brightness optimization.
•Standard: For common environment.
•Movie: For brighter and general movie/video/photo 
playing.
•Dark Cinema: For dark movie content.
•Game: For game content.
•Sport: For sport picture.
•User: Memorize user’s settings.
Wall ColorUse this function to choose a proper color according to the 
wall. There are several choices, including White, Light 
Yellow, Light Blue, Pink and Dark Green. It will compensate 
for the color deviation due to the wall color to show the 
correct image tone.
BrightnessAdjusts the brightness of the image.
•Press   to darken the image.
•Press   to lighten the image.
ContrastControls the degree of difference between the lightest and 
darkest parts of the picture. Adjusting the contrast changes 
the amount of black and white in the image.
•Press   to decrease the contrast.
•Press   to increase the contrast.
SaturationAdjusts a video image from black and white to fully 
saturated colors.
•Press   to decrease the amount of color in the 
image.
•Press   to increase the amount of color in the 
image.
TintAdjusts the color balance of red and green.
•Press   to increase the amount of green in the 
image.
•Press   to increase the amount of red in the image. 
						

							19
English
Note: Saturation, Tint and Advanced functions are not supported 
under computer mode.
Color 
TemperatureAdjusts the color temperature. At higher color 
temperatures, the screen looks colder; at lower color 
temperatures, the screen looks warmer.
Dynamic BlackIf turned on, the projector dynamically adjusts the power 
consumption of the lamp according to the brightness of 
the image being projected. When projecting darker images 
the power consumption will be reduced and the contrast of 
the image will also be enhanced.
GammaEffects the representation of dark scenery. With greater 
gamma value, dark scenery will look brighter.
Advanced
•Ind. Color Management: Adjusts the red, green, blue, 
cyan, yellow and magenta colors.
•- Ind. Hue: Changes the hue of the color selected.
•- Ind. Saturation: Adjusts a video image from black 
and white to fully saturated color.
•- Ind. Gain: Adjusts the contrast levels.
•Brilliant Color: Produces an expanded on-screen color 
spectrum that delivers enhanced color saturation for 
bright, true-to-life images. This feature is On by 
default.
•White Peaking: Increases the brightness of whites that 
are near 100%. (Video sources only)
•Film Mode: Sets the image optimized to 24-frame True 
Film mode for more realistic cadence of film playback 
during motion sequences.
•Noise Reduction: Adjusts the level of noise reduction 
that helps to eliminate unwanted noise in the picture.
•Black Extension: Analyzes the current input image and 
calculates an offset value which is then added to the 
analog to digital converter black level value. This 
ensures optimum black level for each analog source. 
						

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English
Image
Projection 
Mode• Front: The factory default setting.
• Rear: Reverses the image so you can project from 
behind a translucent screen.
Projection 
Location
• Auto: Automatically adjusts projection location of 
image.
• Desktop
• Ceiling: Turns the image upside down for ceiling-
mounted projection.
Aspect RatioUse this function to choose your desired aspect ratio.
•Auto: Keeps the image with original width-height ratio 
and maximizes the image to fit native horizontal or 
vertical pixels.
•Full: The image will be displayed making full use of the 
horizontal and vertical pixels.
•4:3: The image will be scaled to fit the screen and 
displayed using a 4:3 ratio.
•16:9: The image will be scaled to fit the screen and 
displayed using a 16:9 ratio.
•L.Box: Keeps the original signal aspect ratio and zooms 
in by 1.333 times.
Auto KeystoneAutomatically adjusts image distortion caused by tilting 
projection (±40 degrees).
Manual 
KeystoneManually adjusts image distortion caused by tilting 
projection (±40 degrees).
This function is unavailable when Auto Keystone is set 
to On.
SharpnessAdjusts the sharpness of the image.•Press   to decrease the sharpness.
•Press   to increase the sharpness.
H. Position 
(Horizontal 
Position)
•Press   to move the image left.
•Press   to move the image right.