Acer Projector P7280 User Manual

							9
EnglishInstalling the dust filter of the projector
This projector support dust proof function.
Follow these steps:
1 Take two dust filters from the 
accessory bag.
2 Slide the dust filter in 
(Illustration #1)
3 Insert a suitable coin into the 
top cover release button 
(Illustration #2) and rotate 
clockwise (Illustration #3). 
4 Open the top cover. 
(Illustration #4)
5 Slide in another dust filter. 
(Illustration #5)
6 Connect the power cord.
7 Turn on the projector by 
pressing the power cord.
Caution:
1 The dust proof is optional function depend on users.
2 Once you decide to implement the dust proof function, please 
ensure that both top and bottom dust filters are properly 
installed. Otherwise there will be a warning sound and the 
projector can not be turned on. 
						

							10
English
Connecting the Projector for Wireless 
Function
Note: For P7270i/P7280i only
#Description
1Power cord
2 Audio cable jack
3Lan cable
4 Antenna
Speaker Internet
Power WLAN
1
2
34 
						

							11
EnglishTurning the Projector On/Off
Turning on the Projector
1 Remove the lens cap.(Illustration #1)
2 Ensure that the power cord and signal cable are securely connected.  The 
Power indicator LED will flash red.
3 Turn on the projector by pressing Power button on the control panel, 
and the Power indicator LED will turn blue.(Illustration #2)
4 Turn on your source (computer, notebook, video player ,etc.).  The 
projector will detect your source automatically.
• If the screen displays Lock and Source icons, it means the 
projector is locked onto a specific source type and there is no such 
type of input signal detected.
• If the screen displays No Signal, please make sure the signal cables 
are securely connected.
• If you connect to multiple sources at the same time, use the Source 
button on either control panel or the remote control or direct source 
key on the remote control to switch between inputs.
Lens cap1
Power button2 
						

							12
English
Turning off the Projector
1 To turn off the projector, press the Power button twice. The message 
below will display onscreen for 10 seconds.  
Please press power button again to complete the shutdown process.
2 Immediately after powering off, the Power indicator LED will flash RED 
rapidly and the fan(s) will continue to operate for about 120 seconds. This 
is to ensure that the system cools correctly.
3 Once the system has finished cooling, the Power indicator LED will turn 
solid RED which means projector enter standby mode.
4 It is now safe to unplug the power cord.
Warning: Do not turn on the projector immediately after 
powering off.
Note: If you wish to turn the projector back on, you must wait for 
60 seconds at least to press the Power button to restart the 
projector.
Warning indicators:
• If the projector automatically shuts down and the LAMP indicator 
turns solid RED, please contact your local reseller or service center.
• If the projector automatically shuts down and the TEMP indicator 
turns solid RED, this indicates that the projector has overheated. The 
message below will display onscreen if this is about to happen:
Projector Overheated. Lamp will automatically turn off soon.
• If the TEMP indicator flashes RED and the message below is displayed 
onscreen, please contact your local dealer or service center:
Fan fail. Lamp will automatically turn off soon. 
						

							13
EnglishAdjusting the Projected Image
Adjusting the Height of Projected Image
The projector is equipped with elevator feet for adjusting the height of image.
To raise the image:
1 Press the elevator foot release. (Illustration #1)
2 Raise the image to the desired height angle (Illustration #2), then release 
the button to lock the elevator foot into position.
3 Use Tilt adjusting wheel (Illustration #3) to fine-tune the display angle.
To lower the image:
1 Press the elevator foot release. (Illustration #1)
2 Lower the image to the desired height angle (Illustration #2) , then release 
the button to lock the elevator foot into position.
3 Use Tilt adjusting wheel (Illustration #3) to fine-tune the display angle.
Elevator Button1
2
Elevator FootTilt adjusting wheel
3 
						

							14
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. Example: If the 
projector is 3 m from the screen, good image quality is possible for image sizes 
between 78 and 94.
Note: Remind as below figure, the space of 158 cm height is 
required when located at 3m distance.
Figure: Fixed distance with different zoom and screen size.
Max screen size94
Min screen size
788
AC B
3m
Desired Distance
Height: 158cm
Form base to 
top of image
Height: 
131cm 
						

							15
English
Desired
Distance 
(m)
Screen size
TopScreen sizeTop
(Min zoom) (Max zoom)
Diagonal 
(inch)
W (cm) x H (cm) From base 
to top of 
image (cm)
Diagonal 
(inch)
W (cm) x H (cm)From base to 
top of image 
(cm)

1.2 31 64 x 48 52 38 76 x 57 63
1.5 39 79 x 60 65 47 96 x 72 79
2 52 106 x 79 87 63 127 x 96 105
2.5 65 132 x 99 109 78 159 x 119 131
378159 x 11913194191 x 143158
3.5 91 185 x 139 153 110 223 x 167 184
4 104 212 x 159 175 125 255 x 191 210
4.5 117 238 x 179 196 141 287 x 215 236
5 130 265 x 198 218 157 318 x 239 263
6 156 317 x 238 262 188 382 x 287 315
7 182 370 x 278 306 219 446 x 334 368
8 208 423 x 317 349 251 510 x 382 420
9 234 476 x 357 393 282 573 x 430 473
Zoom Ratio: 1.2x 
						

							16
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. For example: to obtain an image size of 50 set 
the projector at a distance 1.6 m and 1.9 m from the screen and adjust the zoom 
level accordingly.
Desired Distance
HeightForm base to 
top of image
1.9m1.6m
50Desired
image size
A
CD
B 
						

							17
English
Desired Image Size Distance (m) Top (cm)
Diagonal (inch)
W (cm) x H (cm)Max zoom
Min zoom
From base to top of 
image 

31 63 x 47 *** 1.2 52
40 81 x 61 1.3 1.5 67
50102 x 761.61.984
60 122 x 91 1.9 2.3 101
70 142 x 107 2.2 2.7 117
80 163 x 122 2.6 3.1 134
90 183 x 137 2.9 3.5 151
100 203 x 152 3.2 3.8 168
120 244 x 183 3.8 4.6 201
150 305 x 229 4.8 5.8 251
180 366 x 274 5.7 6.9 302
200 406 x 305 6.4 7.7 335
250 508 x 381 8.0 9.6 419
300 610 x 457 9.6 *** 503
Zoom Ratio: 1.2x 
						

							18
English
User Controls
Acer Empowering Technology
Empowering  KeyAcer Empowering Key provides three 
Acer unique functions, they are Acer 
eView Management, Acer eTimer 
Management and Acer eOpening 
Management respectively. Press   
key for more than one second to launch 
the Onscreen display main menu to 
modify its function.
Acer eView ManagementPress   to launch Acer eView 
Management  submenu.
Acer eView Management is for 
display mode selection. Please refer to 
Onscreen Display Menus section for 
more detail.
Acer eTimer ManagementPress   to launch Acer eTimer 
Management submenu.
Acer eTimer Management provides 
the reminding function for 
presentation time control. Please refer 
to Onscreen Display Menus section for 
more detail.
Acer eOpening ManagementPress   to launch Acer eOpening 
Management.
Acer eOpening Management allows 
user to change the Startup screen to 
their personalized image. Please refer 
to Onscreen Display section for more 
detail.