Acer Projector P7280 User Manual

29
English3 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...

30
English
Problems with the Projector
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 or on the 
control panel. Go to Image setting --> Aspect 
Ratio and try different settings.
10 Image has slanted 
sides
•If possible, reposition the projector so that it is 
centered on the screen.
•Press the Keystone   /   /   /    on the OSD or the 
remote control until the sides are...

31
EnglishOSD Messages
# 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. Please also check the dust 
filters if they are installed. If the dust filter is clogged with 
dust, please clean it. Please refer to Cleaning and replacing 
the dust filter for details.
Replace the lamp - the lamp is about to reach its maximum 
lifetime....

32
English
LED & Alarm Definition Listing
LED Messages
MessageLamp LED Temp LED Power LED
Red Red Red Blue
Standby 
(power cord plugged in)-- -- V --
Power button ON -- -- -- V
Lamp retry -- -- -- Quick 
flashing
Turning off 
(cooling state)-- -- Quick 
flashing--
Turning off 
(cooling completed)-- -- V --
Error (thermal failure) -- V -- V
Error (fan lock failure) -- Quick 
flashing-- V
Error (lamp breakdown) V -- -- V
Error (color Wheel fail) Quick 
flashing-- -- V 

33
EnglishCleaning and replacing the dust filters
Cleaning the dust filters
Clean the dust filters after every 1000 hours of use. If they are note cleaned 
periodically, they can become clogged with dust, preventing proper ventilation.  
This can cause overheating and damage the projector.
Follow these steps:
1 Turn the projector off. Wait for the Power LED to stop flashing then 
unplug the power cord.
2 Turn the projector upside down.
3 To clean the dust filters, use a small vacuum cleaner designed for...

34
English
Replacing the Lamp
Use a screwdriver to remove the screw(s) from the cover, and then pull out the 
lamp.
The projector will detect the lamp life. You will be shown a warning message 
Lamp is approaching the end of its useful life in full power operation. 
Replacement Suggested! When you see this message, change the lamp as soon 
as possible. Make sure the projector has been cooling down for at least 30 
minutes before changing the lamp.
Warning: The lamp compartment is hot! Allow it to cool...

35
EnglishCeiling Mount Installation
If you wish to install the projector using a ceiling mount, please refer to the 
steps below:
1 Drill four holes into a solid, structurally sound part of the ceiling, and 
secure the mount base.
Note: Screws are not included. Please obtain the appropriate 
screws for your type of ceiling.
2 Secure the ceiling rod using the appropriate type of four-cylinder screws.
Ceiling Mount Base    - Attach to ceiling
Screw Type A50 mm length / 8 mm diameter -   
   
Long Rod...

36
English
3 Use the appropriate number of screws for the projector size to attach the 
projector to the ceiling mount bracket.
Note: It is recommended that you keep a reasonable space 
between the bracket and the projector to allow for proper heat 
distribution. Use two washers for extra support, if deemed 
necessary.
4 Attach the ceiling bracket to the ceiling rod.
Screw Type B
Smaller Washer
Large Washer
Projector Bracket
Supports projector and allows -   
  for adjustments     
Spacer
    - For heat...

37
English5 Adjust the angle and positioning as necessary.
Note:  The appropriate type of screw and washer for each model is 
listed in the table below. 3 mm diameter screws are enclosed in 
the screw pack.
Models Screw Type B Washer Type
Diameter (mm) Length (mm) Large Small
P7270/P7270i/
P7280/P7280i 325VV
Tightening Screw
Allen Key
Allen Key
Tightening Screw
145 mm
82.3 mm 

38
English
Specifications
The specifications listed below are subject to change without notice. For final 
specs, please refer to Acers published marketing specifications.
Projection system
DLP®
Resolution P7270/P7270i/P7280/P7280i Series: Native: XGA (1024 x 
768), Maximum: UXGA (1600 x 1200), WSXGA+ (1680 
x 1050)
Computer compatibility IBM PC and compatibles, Apple Macintosh, iMac and 
VESA standards: SXGA, XGA, VGA, SVGA, SXGA+, 
WXGA, WXGA+, WSXGA+
Video compatibility NTSC (3.58/4.43), PAL...