The Geha compact 225 is a versatile projector that can be used for a variety of purposes, including presentations, home entertainment, and gaming. It features a bright 2200 ANSI lumens image, a high 15000:1 contrast ratio, and a native WXGA (1280 x 800) resolution. The projector also has a long lamp life of up to 6000 hours in eco mode, and it supports 3D content. With its compact size and lightweight design, the Geha compact 225 is easy to transport and set up, making it an ideal choice for on-the-go presentations or for use in smaller spaces.
The Geha compact 225 is a versatile projector that can be used for a variety of purposes, including presentations, home entertainment, and gaming. It features a bright 2200 ANSI lumens image, a high 15000:1 contrast ratio, and a native WXGA (1280 x 800) resolution. The projector also has a long lamp life of up to 6000 hours in eco mode, and it supports 3D content. With its compact size and lightweight design, the Geha compact 225 is easy to transport and set up, making it an ideal choice for on-the-go presentations or for use in smaller spaces.
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Table of Contents ...................................................................................1
Usage Notice ..........................................................................................2
Safety Information .........................................................................................2
Precautions....................................................................................................3
Eye Safety Warnings .....................................................................................5
Introduction.............................................................................................6
Product Features ...........................................................................................6
Package Overview.........................................................................................7
Product Overview ..........................................................................................8
Main Unit ................................................................................................................ 8
Control Panel ......................................................................................................... 9
Connection Ports ................................................................................................. 10
Remote Control .................................................................................................... 11
Installation ............................................................................................12
Connecting the Projector .............................................................................12
Powering On/Off the Projector .....................................................................13
Powering On the Projector ................................................................................... 13
Powering Off the projector ................................................................................... 14
Warning Indicator ................................................................................................. 14
Adjusting the Projected Image.....................................................................15
Adjusting the Projector’s Height ........................................................................... 15
Adjusting the Projector’s Zoom / Focus ............................................................... 16
Adjusting Projected Image Size ........................................................................... 16
User Controls ....................................................................................... 17
Control Panel & Remote Control .................................................................17
On-screen Display Menus ...........................................................................20
How to operate .................................................................................................... 20
Menu Tree ............................................................................................................ 21
Image ................................................................................................................... 22
Display ................................................................................................................. 26
Setup .................................................................................................................... 30
Options ................................................................................................................. 35
Appendices...........................................................................................38
Troubleshooting ...........................................................................................38
Image Problems .................................................................................................. 38
Intermission Problems ........................................................................................ 41
Projector Status Indication .................................................................................. 41
Remote Control Problems ................................................................................... 43
Replacing the Lamp.....................................................................................44
Compatibility Modes ....................................................................................46
Optoma Global Ofces ................................................................................47
Regulation & Safety notices ........................................................................49
Table of Contents
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Usage Notice
Safety Informations
The lightning ash with arrow head within an equilateral triangle is
intended to alert the user to the presence of uninsulated “dangerous
voltage” within the product’s enclosure that may be of sufcient magni-
tude to constitute a risk of electric shock to persons.
The exclamation point within an equilateral triangle is intended to alert
the user to the presence of import operating and maintenance (servicing)
instructions in the literature accompanying the appliance.
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT
EXPOSE THE PROJECTOR TO RAIN OR MOISTURE. DANGEROUS HIGH
VOLTAGES ARE PRESENT INSIDE THE ENCLOSURE. DO NOT OPEN THE
CABINET. REFER SERVICING TO QUALIFIED PERSONNEL ONLY.
Class B emissions limits
This Class B digital apparatus meets all requirements of the Canadian Inter-
ference-Causing Equipment Regulations.
Important Safety Instruction
1. Read these instructions –before using this projector.
2. Keep these instructions –for future reference.
3. Follow all instructions.
4. Install in accordance with the manufacturer’s instructions :
A. Do not block any ventilation openings. To ensure reliable
operation of the projector and to protect it from overheating, put the
projector in a position and location that will not interfere with its proper
ventilation. For example, do not place the projector on a bed, sofa,
carpet, or similar surface that may block the ventilation openings. Do not
put it in an enclosure, such as a bookcase or a cabinet that may keep air
from owing through its ventilation openings.
B. Do not use this projector near water or moisture. To reduce
the risk of re or electric shock, do not expose the projector to rain or
moisture.
C. Do not install near any heat sources, such as radiators, heaters,
stoves or other apparatus (including ampliers) that produce heat.
5. Clean only with a dry cloth.
6. Only use attachments/accessories specied by the manufacturer.
7. Refer all servicing to qualied service personnel. Servicing is required
when the projector has been damaged in any way, such as:
Power supply cord or plug is damaged.
Liquids have spilled or objects have fallen into the apparatus.
The projector has been exposed to rain or moisture, does not operate
normally, or has been dropped.
Do not attempt to service this projector yourself. Opening or removing
covers may expose you to dangerous voltages or other hazards. Please
call Optoma to be referred to an authorized service center near you.
8. Do not let objects or liquids enter the projector as they may touch
dangerous voltage points or short-out parts that could result in a re or
electric shock.
9. See projector enclosure for safety related markings.
10. The projector should not be adjusted or repaired by anyone except prop-
erly qualied service personnel.
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Usage Notice
When the lamp
reaches the end
of its life, the
projector will
not turn back on
until the lamp
module has
been replaced.
To replace the
lamp, follow
the procedures
listed under
“Replacing the
Lamp” section
on pages 44-45.
Precautions
Please follow all warnings, precautions and
maintenance as recommended in this user’s
guide.
▀■ Warning- Do not look into the projector’s lens when the lamp is
on. The bright light may damage your eyes.
▀■ Warning- To reduce the risk of re or electric shock, do not
expose this projector to rain or moisture.
▀■ Warning- Please do not open or disassemble the projector as
this may cause electric shock.
▀■ Warning- When replacing the lamp, please allow unit to cool
down, and follow all replacement instructions.
See pages 44-45.
▀■ Warning- This projector will detect the life of the lamp itself.
Please be sure to change the lamp when it shows
warning messages.
▀■ Warning- Use the “Lamp Reset” function from the on-screen
display “Options|Lamp Settings” menu after
replacing the lamp module (refer to page 37).
▀■ Warning- When switching the projector off, please ensure the
cooling cycle has been completed before
disconnecting the power. Allow 90 seconds for the
projector to cool down.
▀■ Warning- Do not use the lens cap when projector is in opera-
tion.
▀■ Warning- When the lamp is approaching to the end of its life,
the message “Lamp Warning: Lamp life exceeded.”
will show on the screen. Please contact your local
reseller or service center to change the lamp as soon
as possible.
▀■ Warning- To reduce the risk of injury to the eyes, do not look
directly into the laser beam on the remote control
and do not point the laser beam into anyone’s eyes.
This remote control is equipped with a Class II laser
that emits radiation.
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Usage Notice
Do:
Turn off the product before cleaning.
Use a soft cloth moistened with a mild detergent to clean the
display housing.
Disconnect the power plug from the AC outlet if the product
is not being used for a long period of time.
Don’t:
Do not block the ventilation slots and openings on the unit.
Do not use abrasive cleaners, waxes or solvents to clean the
unit.
Do not use under the following conditions:
- In extremely hot, cold or humid environments.
Ensure that the ambient room temperature is within 5
- 35°C
Relative Humidity is 5 - 35°C, 80% (Max.), non-condens-
ing
- In areas susceptible to excessive dust and dirt.
- Near any appliance that generates a strong magnetic eld.
- In direct sunlight.
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Usage Notice
Eye Safety Warnings
▀■ Avoid staring directly into the projector’s beam of light at all
times.
▀■ Minimize standing facing into the beam. Keep your back to
the beam as much as possible.
▀■ Using a stick or laser pointer is recommended to avoid the
need for the presenter to enter the beam.
▀■ Ensure that projectors are located out of the line of sight from
the screen to the audience; this ensures that, when presenters
look at the audience, they do not also have to stare at the pro-
jector lamp. The best way to achieve this is by ceiling-mount-
ing the projector rather than placing it on oor or table top.
▀■ When projector is used in a classroom, adequately supervise
students when they are asked to point out something on the
screen.
▀■ In order to minimize the lamp power needed, use room blinds
to reduce ambient light levels.
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Introduction
Product Features
This product is a XGA single chip 0.55” DLP
®
projector.
Outstanding features include:
True XGA, 1024 x 768 addressable pixels
Texas Instruments Single chip DLP
®
Technology
NTSC/NTSC4.43/PAL/PAL-M/PAL-N/SECAM and
HDTV compatible (480i/p, 576i/p, 720p, 1080i)
Auto source detection with user denable settings
Full function IR remote control with mouse function
User friendly multilingual On Screen Menu
Advanced digital keystone correction and high quality
full screen image re-scaling
User friendly control panel
Macintosh and PC compatible
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Introduction
Power Cord
IR Remote Control
Package Overview
This projector comes with all the items shown
below. Check to make sure your unit is complete.
Contact your dealer immediately if anything is
missing.
Documentation :
User’s Manual
Quick Start Card
Warranty Card
WEEE Card
Due to the
difference in
applications for
each country,
some regions may
have different
accessories.
2 x AAA Batteries
Projector with lens cap
VGA Cable
Soft Carry Bag
USB Cable
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Introduction
1. Control Panel
2. Zoom
3. Focus
4. Zoom Lens
Main Unit
Product Overview
5. IR Receiver
6. Tilt-Adjustment Foot
7. Connection Ports
8. Power Socket
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Introduction
Control Panel
1. Enter
2. Keystone Correction
3. Source
4. Four Directional Select Keys
5. Menu
6. Temp LED
7. Power LED
8. Lamp LED
9. Re-Sync
10. Power
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Introduction
Connection Ports
1. USB Connector
2. VGA Input Connector (PC Analog Signal/Component
Video Input/HDTV/SCART)
3. HDMI Connector
4. S-Video Input Connector
5. Composite Video Input Connector
6. Kensington
TM
Lock Port
7. Power Socket
432
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1 5
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Introduction
Remote Control
1. Power On/Off
2. Laser LED
3. Laser Button
4. Enter/Mouse Left Click
5. PC/Mouse Control
6. Mouse Right Click
7. Brightness
8. Re-Sync
9. Enter
10. Zoom
11. Freeze
12. S-Video Source
13. Video Source
14. Number Buttons
15. Page Down
16. VGA Source
17. Blank
18. HDMI Source
19. Menu
20. Four Directional Select
Keys
21. Source
22. Keystone +/-
23. Page Up
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Installation
VGA,DVI
DVD player, Set-top Box
HDTV receiver
S-Video Output
Video Output
E62405SP
R
MOLEX
Connecting the Projector
Due to the
difference in
applications for
each country,
some regions may
have different
accessories.
1...............................................................................................................Power Cord
2................................................................................................................. USB Cable
3................................................................................................................VGA Cable
4....................................................................... HDMI Cable (Optional Accessory)
5.....................................................................S-Video Cable (Optional Accessory)
6....................................................Composite Video Cable (Optional Accessory)
7....................................... SCART RGB/S-Video Adapter (Optional Accessory)
8............................................................. DVI/HDMI Cable (Optional Accessory)
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Installation
Powering On the Projector
1. Open the lens cap.
2. Ensure that the power cord and signal cable are securely
connected. The Power LED will be Amber.
3. Turn on the lamp by pressing “Power” button either on
the top of the projector or pressing “Power” button on the
remote. The Power LED will ash green.
The startup screen will display in approximately 10 seconds.
The rst time you use the projector, you can select your
preferred language from quick menu after the startup screen
display.
4. Turn on your source (computer, notebook, video player,
etc.). The projector will detect your source automatically.
If the screen displays “No Signal”, please make sure the signal
cables are securely connected.
If you connect multiple sources at the same time, press the
“Source” button on the control panel or direct source key on the
remote control to switch between inputs.
Powering On/Off the Projector
Turn on the
projector rst and
then select the
signal sources.
2
Power
Lens Cap
1
Power LED
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Installation
Warning Indicator
When the “LAMP” indicator lights red, it indicates prob-
lem with the lamp and the projector will automatically shut
down by itself. Please contact your local reseller or service
center. See pages 47-48.
When the “TEMP” indicator lights red, it indicates the pro-
jector has overheated. The projector will automatically shut
itself down.
Under normal conditions, the projector can be switched on
again after it has cooled down. If the problem persists, you
should contact your local dealer or our service center.
See pages 47-48.
When the “TEMP” indicator ashes red, it indicates the fan
has failed. Please contact your local dealer or our service
center. See pages 47-48.
Powering Off the Projector
1. Press the “Power” button to turn off the projector lamp,
you will see a message displayed on the projector’s screen.
2. Press the “Power” button again to conrm, otherwise the
message will disappear after 15 seconds.
When you press “Power” button second, the system will
show the timing countdown on the screen.
3. The cooling fans continue to operate for about 10 seconds
for cooling cycle. When the Power LED turn Amber, the
projector has entered standby mode.
If you wish to turn the projector back on, you must wait until
the projector has completed the cooling cycle and has entered
standby mode. Once in standby mode, simply press “Power”
button to restart the projector.
4. Disconnect the power cord from the electrical outlet and
the projector.
5. Do not turn on the projector immediately following a
power off procedure.
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Installation
Adjusting the Projected Image
Adjusting the Projector’s Height
The projector is equipped with tilt-adjustment foot for
adjusting the image height.
To raise the image:
Use screw in foot to raise the image to the desired height
angle and ne-tune the display angle .
To lower the image:
Use screw in foot to lower the image to the desired height
angle and ne-tune the display angle .
Tilt-Adjustment Feet
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Installation
Adjusting the Projector’s Zoom / Focus
Adjusting Projection Image Size
You may turn the zoom lever to zoom in or out. To focus the
image, rotate the focus ring until the image is clear. The pro-
jector will focus at distances from 3.3 to 39.4 feet (1.00 to 12.0
meters).
Zoom Lever
Focus Ring
Screen
(Diagonal)
Max.
25" (63.5cm) 76" (193.0cm) 126" (320.0cm) 177" (449.6cm) 227" (576.6cm) 303" (769.6cm)
Min.
23" (58.4cm) 69" (175.3cm) 114" (289.6cm) 160" (406.4cm) 206" (523.2cm) 275" (698.5cm)
Screen
Size
Max.
(WxH)
20.1” x 15.0”
51 x 38cm
60.6” x 45.3”
154 x 115cm
100.8” x 75.6”
256 x 192cm
141.3” x 105.9”
359 x 269cm
181.9” x 136.2”
462 x 346cm
242.1” x 181.9”
615 x 462cm
Min.
(WxH)
18.5” x 13.8”
47 x 35cm
55.1” x 41.3”
140 x 105cm
91.7” x 68.5”
233 x 174cm
128.3” x 96.1”
326 x 244cm
165.0” x 123.6”
419 x 314cm
219.7” x 165.0”
558 x 419cm
Hd
Max.
2.36” (6.0cm) 7.09” (18.0cm) 11.42” (29.0cm) 16.14” (41.0cm) 20.47” (52.0cm) 27.17” (69.0cm)
Max.
1.97” (5.0cm) 5.91” (15.0cm) 10.63” (27.0cm) 14.57” (37.0cm) 18.50” (47.0cm) 24.41” (62.0cm)
Distance
3.3’ (1.0m) 9.8’ (3.0m) 16.4’ (5.0m) 23.0’ (7.0m) 29.5’ (9.0m) 39.4’ (12.0m)
This graph is for user’s reference only.
69"
(175.3cm)
114"
(289.6cm)
160"
(406.4cm)
206"
(523.2cm)
275"
(698.5cm)
25"
(63.5cm)
76"
(193.0cm)
126"
(320.0cm)
177"
(449.6cm)
227"
(576.6cm)
303"
(769.6cm)
3.3'
(1.0m)
39.4'(12.0m)
29.5'(9.0m)
23.0'(7.0m)
16.4'(5.0m)
9.8'(3.0m)
23"
(58.4cm)
Width
Height
Diagonal
Hd
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User Controls
Control Panel
Control Panel & Remote Control
There are two ways for you to control the functions:
Control Panel and Remote Control.
Using the Control Panel
Power
Refer to the “Power On/Off the Projector” section
on pages 13-14.
Menu
Press “Menu” to launch the on-screen display
(OSD) menu. To exit OSD, Press “Menu” again.
Enter
Conrm your item selection.
Source
Press “Source” to select the input signal source.
Re-Sync
Automatically synchronize the projector to the
input source.
Keystone /
Adjust image distortion caused by tilting the
projector (±18 degrees)
Four Directional
Select Keys
Use to select items or make adjustments
to your selection.
Power LED
Indicate the projector’s status.
Lamp LED
Indicate the projector’s lamp status.
Temp LED
Indicate the projector’s temperature status.
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User Controls
Remote Control
Using the Remote Control
Power
Refer to the “Power On/Off the Projector”
section on pages 13-14.
Laser
Button
Aim the remote at the viewing screen,
press and hold this button to activate the
laser pointer.
PC/ Mouse
Control
The PC/ Mouse Control can be used to
control mouse movement. The mouse
function is enabled using the USB cable to
connect your computer and the projector.
Enter
Conrm your item selection/Mouse Left
Click
Keystone
+/-
Adjust image distortion caused by tilting
the projector.
R Button
Mouse Right Click
Page +
Use the button to page up.
Brightness
Adjust the brightness of the image.
Source
Press “Source” to select the input signal
source at the next terminal.
Enter
Conrm your item selection.
Re-Sync
Automatically synchronize the projector to
the input source.
Component
Press “Component” to choose Component
video source.
Menu
Press “Menu” to launch the on-screen
display (OSD) menu. To exit OSD, Press
”Menu” again.
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User Controls
Remote Control
Page -
Use the button to page down.
Zoom
Zoom the projector display in or out.
HDMI
Press “HDMI” to choose source from
HDMI connector.
Freeze
Press “Freeze” to pause the screen image.
Press this button again to unlock.
Blank
Momentarily turn off the video. Press this
button again to unlock.
S-Video
Press “S-Video” to choose S-Video source.
VGA
Press “VGA” to choose VGA source.
Four Direc-
tional Select
Keys
Use to select items or make
adjustments to your selection.
Video
Press “Video” to choose Composite video
source.
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User Controls
The Projector has multilingual On-screen Display menus
that allow you to make image adjustments and change a
variety of settings. The projector will automatically detect
the source.
How to operate
1. To open the OSD menu, press “Menu” on the Remote Control or
Projector Keypad.
2 When OSD is displayed, use
keys to select any item in the
main menu. While making a selection on a particular page, press
or “Enter” key to enter sub menu.
3. Use
keys to select the desired item and adjust the settings
by
key.
4. Select the next item to be adjusted in the sub menu and adjust as
described above.
5. Press “Enter” to conrm, and the screen will return to the main
menu.
6. To exit, press “Menu” again. The OSD menu will close and the
projector will automatically save the new settings.
On-screen Display Menus
Main Menu
Sub Menu
Setting
Page is loading ...
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The Geha compact 225 is a versatile projector that can be used for a variety of purposes, including presentations, home entertainment, and gaming. It features a bright 2200 ANSI lumens image, a high 15000:1 contrast ratio, and a native WXGA (1280 x 800) resolution. The projector also has a long lamp life of up to 6000 hours in eco mode, and it supports 3D content. With its compact size and lightweight design, the Geha compact 225 is easy to transport and set up, making it an ideal choice for on-the-go presentations or for use in smaller spaces.
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