Optoma Ep7155i Projector User Manual

							English
Options | Advanced
Direct Power On
Enable or disable Direct Power On.
4 On—the projector powers on automatically when AC power is supplied.
4 Off— the projector must be powered on as normal.
Auto Power Off
Set  the  Auto  Power  Off  interval.  The  projector  powers  off  the  lamp  after 
30 minutes of no signal by default. The following warning is displayed 60 
seconds before power off.
Sleep Timer
Set  the  Sleep  Timer  interval.  The  projector  powers  off  after  the  specified 
time  period  of  inactivity  (regardless  of  signal).  The  following  warning  is 
displayed 60 seconds before power off.
User Controls 
						

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Options | Lamp Setting
Lamp Hour
Displays the number of hours the lamp has been active. This item is for \
display only.
Lamp Reminder
Enable or disable the lamp life span reminder. 
4  On—a  warning  message  displays  when  remaining  lamp  life  is  less than 30 hours.
4 Off—no warning message displays.
Brightness Mode
Select the lamp brightness mode.
4 Bright—the default setting.
4 STD—lower brightness setting to conserve lamp life.
User Controls 
						

							English
Options | Lamp Setting
Lamp Reset
After  replacing  the  lamp,  reset  the  lamp  counter  to  accurately  reflect  the 
new lamp’s life span.
1. Select Lamp Reset.A confirmation screen displays.
2. Select Yes to reset the lamp counter to zero.
User Controls 
						

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Troubleshooting
If you experience a problem with your projector, please refer to the 
following information. If a problem persists, please contact your local \
reseller or service center.
Image Problems
No image appears on-screen4
 Ensure all the cables and power connections are correctly and securely connected as described in the  Installation section.
4 Ensure all the pins of connectors are not bent or broken.
4 Check if the projection lamp has been securely installed. Please 
refer to the Replacing the lamp section.
4 Make sure you have removed the lens cap and the projector is switched on.
Partial, scrolling or incorrectly displayed image
4
 Press “Re-Sync” on the remote.
4 If you are using a PC:For Windows 95, 98, 2000, XP:
1. Open the  My Computer icon, the  Control Panel folder, and 
then double click on the Display icon.
2. Select the Settings tab.
3.  Verify  that  your  display  resolution  setting  is  lower  than  or  equal to UXGA (1600 x 1200).
4. Click on the Advanced Properties  button.
If  the  projector  is  still  not  projecting  the  whole  image,  you 
will also need to change the monitor display you are using. 
Refer to the following steps.
5. Verify the resolution setting is lower than or equal to UXGA   
(1600 x 1200).
6. Select the Change button under the  Monitor tab.
7.  Click  on  Show  all  devices.  Next,  select  Standard  monitor 
types  under  the  SP  box;  choose  the  resolution  mode  you 
need under the “Models” box.
8.  Verify  that  the  resolution  setting  of  the  monitor  display  is  lower than or equal to UXGA (1600 x 1200). (*)
Appendices 
						

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Appendices
4 If you are using a Notebook:1. First, follow the steps above to adjust resolution of the   computer.
2. Press the toggle output settings. Example: [Fn]+[F4]
Acer  �   [Fn]+[F5]
Asus �   [Fn]+[F8]
Dell  �  [Fn]+[F8]
Gateway � 
  [Fn]+[F4]
Mac Apple: 
System Preference � Display � Arrangement � Mirror 
display IBM/Lenovo 
�[Fn]+[F7]
[Fn]+[F4]
HP/Compaq 
NEC � �
   [Fn]+[F3]
Toshiba  �   [Fn]+[F5]
If you experience difficulty changing resolutions or your   
monitor freezes, restart all equipment including the projector.
The  screen  of  the  Notebook  or  PowerBook  computer 
is not displaying your presentation
4
 If you are using a Notebook:Some Notebooks may deactivate their own screens when a 
second display device is in use. Each has a different way to 
be reactivated. Refer to your computer’s manual for detailed 
information.
Image is unstable or flickering
4
 Use Phase  to correct it. See page 34 for more information.
4 Change the monitor color setting on your computer.
Image has vertical flickering bar
4
  Use  Frequency  to  make  an  adjustment.  See  page  34  for  more 
information.
4 Check and reconfigure the display mode of your graphic card  to make it compatible with the projector.
Image is out of focus
4
 Make sure the lens cap is removed.
4 Adjusts the Focus Ring on the projector lens.
4 Make sure the projection screen is between the required  distances from the projector. See pages 17-18 for more  
information. 
						

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Appendices
The image is stretched when displaying 16:9 DVD title
When  you  play  anamorphic  DVD  or  16:9  DVD,  the  projector  will 
show  the  best  image  in  16:9  format  in  OSD.  If  you  play  4:3  format 
DVD  title,  please  change  the  format  as  4:3  in  projector  OSD.  If  the 
image is still stretched, you will also need to adjust the aspect ratio 
by referring to the following:
4 Please setup the display format as 16:9 (wide) aspect ratio type on your DVD player.
Image is too small or too large
4
 Adjust the Zoom Ring on the top of the projector.
4 Move the projector closer to or further from the screen.
4 Press [Menu] button on the remote control or projector panel, go to Display | Format and try the different settings.
Image has slanted sides
4
 If possible, reposition the projector so that it is centered on the screen and below the bottom of the screen.
4  Press  [Keystone  +/-]  on  the  remote  control  until  the  sides  are vertical.
Image is reversed
4
 Select Setup | Projection  from the OSD and adjust the  
projection direction.
Intermission Problems
The projector stops responding to all controls
4
 If possible, turn off the projector, then unplug the power cord and wait at least 60 seconds before reconnecting power.
Lamp burns out or makes a popping sound
4
 When the lamp reaches its end of life, it will burn out and may make a loud popping sound. If this happens, the  
projector will not turn on until the lamp module has been 
replaced. To replace the lamp, follow the procedures in 
Replacing the Lamp on page 49.
v Use of 
Keystone is not 
recommended. 
						

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Appendices
Projector Status Indication
Error Code MessagePower LED/
Flashes Lamp LED/
Flashes
Thermal break status error 40
Fan1 error (Power Fan) 61
Fan2 error (Lamp Fan) 62
Fan3 error (Blower Fan) 63
Lamp door sensor detect high 70
DMD error 80
Color wheel error 90 
						

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Appendices
Message Reminders4
 Replacing the lamp:
4 Out of range: (see the following for more information)
Remote Control Problems
If the remote control does not work
4 Check the operating angle for the remote control is  approximately ±15°.
4 Make sure there are no obstructions between the remote control and the projector. Move to within 7m (23 ft) of the projector.
4 Make sure the batteries are inserted correctly.
4 Replace weak batteries in the remote control.
Audio Problems
There is no sound
4
 Adjust the volume on the remote control. 
4 Adjust the volume of the audio source.
4 Check the audio cable connection.
4 Test the source audio output with other speakers.
4 Have the projector serviced.
The sound is distorted4
 Check the audio cable connection.
4 Test the source audio output with other speakers.
4 Have the projector serviced. 
						

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Replacing the Lamp
The projection lamp should be replaced when it burns out. It should 
only  be  replaced  with  a  certified  replacement  part,  which  you  can 
order from your local dealer.
Important:
4 The lamp contains a certain amount of mercury and should be disposed of according to local ordinance regulations.
4  Avoid  touching  the  glass  surface  of  the  new  lamp,  doing  so may shorten its operation life.
Warning:
4  Be  sure  to  turn  off  and  unplug  the  projector  at  least  an  hour before  replacing  the  lamp.  Failure  to  do  so  could  result  in  a 
severe burn.
1.  Loosen  the  two  captive  screws  on  the  lamp  compartment  cover  (A). Remove the lamp compartment cover  (B).
2. Remove the two screws from the lamp module  (A). Lift the  
module handle up (B). 
3. Pull firmly on the module handle to remove the lamp module.
4. 5 & 6. Insertion is the reverse of removal.
After  replacing  the  lamp,  the  lamp  hours  counter  must  be  reset.  
See  page 43 for more information.
BAAB
12
34
Appendices 
						

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Appendices
Cleaning the Projector
Cleaning  the  projector  to  remove  dust  and  grime  will  help  ensure 
trouble-free operation. 
Warning:
4 Be sure to turn off and unplug the projector at least an hour before cleaning. Failure to do so could result in a severe burn.
4 Use only a dampened cloth when cleaning. Do not allow water to enter the ventilation openings on the projector. 
4  If a little water gets into the projector interior while cleaning, leave unplugged in a well-ventilated room for several hours before using.
4 If a lot of water gets into the projector interior when cleaning, have the projector serviced.
Cleaning the Lens
You can purchase optic lens cleaner from most camera stores. Refer 
to the following to clean the pro-jector lens.
1. Apply a little optic lens cleaner to a clean soft cloth.  (Do not apply the cleaner directly to the lens.)
2. Lightly wipe the lens in a circular motion.
Caution:
4 Do not use abrasive cleaners or solvents.
4 To prevent discoloration or fading, avoid getting cleaner on the   projector case.
Cleaning the Case
Refer to the following to clean the projector case.
1. Wipe off dust with a clean dampened cloth.
2.  Moisten  the  cloth  with  warm  water  and  mild  detergent  (such  as  used to wash dishes), and then wipe the case.
3. Rinse all detergent from the cloth and wipe the projector again.
Caution:
To  prevent  discoloration  or  fading  of  the  case,  do  not  use  abrasive 
alcohol-based cleaners.