Optoma ML550 User manual

®
FOCUS
User Manual

Contents
1English
Safety Instructions ..........................................................................................................3
Intended Use Statement........................................................................................................ 4
Safety Information.................................................................................................................. 4
Safety Labels ......................................................................................................................... 6
Trademarks ............................................................................................................................ 7
Video and Audio Decoder Notices ........................................................................................ 7
Regulatory Notices ................................................................................................................ 8
CE Statement......................................................................................................................... 9
WEEE Statement.................................................................................................................... 9
Introduction....................................................................................................................10
Package Contents ............................................................................................................... 10
About Your Projector............................................................................................................ 11
Main Unit ................................................................................................................. 11
Input / Output Connections ..................................................................................... 12
Control Panel........................................................................................................... 13
Remote Control ....................................................................................................... 14
Installing the Remote Control Battery...................................................................... 15
Operating Range with Remote Control ................................................................... 15
Installation......................................................................................................................16
Connecting to a Computer .................................................................................................. 16
Connecting to a DVD Player ................................................................................................ 17
Connecting to Multi-Media................................................................................................... 18
Turning On/Off the Projector ................................................................................................ 19
Turning Your Projector On ....................................................................................... 19
Turning Your Projector Off ....................................................................................... 19
Adjusting the Projected Image ............................................................................................ 20
Raising the Projector Height ................................................................................... 20
Lowering the Projector Height................................................................................. 20
Adjusting the Projector Focus ................................................................................. 20
Adjusting Projection Image Size ............................................................................. 21
User Controls.................................................................................................................23
Using the On-Screen Display .............................................................................................. 23
Main Menu ........................................................................................................................... 23
Language................................................................................................................ 23
Source ..................................................................................................................... 24
Display Mode .......................................................................................................... 25
Audio....................................................................................................................... 25
Auto Adjust.............................................................................................................. 26

OSD Reset............................................................................................................... 26
Data Transferring..................................................................................................... 26
Advanced................................................................................................................ 26
FW Version .............................................................................................................. 26
Advanced Menu .................................................................................................................. 27
Display (In PC Mode) .............................................................................................. 27
Display (In Video Mode).......................................................................................... 28
Image (In PC Mode)................................................................................................ 29
Image (In Video Mode) ........................................................................................... 29
Power ...................................................................................................................... 31
Multi-Media Introduction ...................................................................................................... 32
Photo Format ........................................................................................................... 32
Video Format ........................................................................................................... 32
Audio Format........................................................................................................... 33
Office Viewer Format............................................................................................... 33
How to set-up File Type for Multi-Media with USB .................................................. 34
How to set-up File Type for Multi-Media with MicroSD............................................ 35
How to set-up File Type for Multi-Media with Internal Memory ............................... 36
Multi-Media Main Menu........................................................................................... 37
Multi-Media SETUP for USB, MicroSD, and Internal Memory ................................. 37
Photo Setup............................................................................................................. 38
Video Setup............................................................................................................. 39
Music Setup ............................................................................................................ 40
Information .............................................................................................................. 41
Appendices ....................................................................................................................42
Troubleshooting ................................................................................................................... 42
Guiding Signals....................................................................................................... 44
Compatibility Modes (Analog/Digital) .................................................................................. 45
Tripod Mount the Projector................................................................................................... 46
2
English

Safety Instructions
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 sufcient
magnitude 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 important operating and maintenance
(servicing) instructions in the literature accompanying the appliance.
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS
APPLIANCE 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 Interference-Causing Equip-
ment Regulations.
Important Safety Instruction
1. Do not block any ventilation openings. To ensure reliable operation of the projector and to
protect from over heating, it is recommended to install the projector in a location that does
not block ventilation. As an example, do not place the projector on a crowded coffee table,
sofa, bed, etc. Do not put the projector in an enclosure such as a book case or a cabinet that
restricts air ow.
2. Do not use the projector near water or moisture. To reduce the risk of re and/or electric shock,
do not expose the projector to rain or moisture.
3. Do not install near heat sources such as radiators, heaters, stoves or any other apparatus such
as ampliers that emits heat.
4. Clean only with dry cloth.
5. Only use attachments/accessories specied by the manufacturer.
6. Do not use the unit if it has been physically damaged or abused.
Physical damage/abuse would be (but not limited to):
Unit has been dropped.
Power supply cord or plug has been damaged.
Liquid has been spilled on to the projector.
Projector has been exposed to rain or moisture.
Something has fallen in the projector or something is loose inside.
Do not attempt to service the unit yourself. Opening or removing covers may expose you to
dangerous voltages or other hazards. Please call Optoma before you send the unit for repair.
7. Do not let objects or liquids enter the projector. They may touch dangerous voltage points and
short out parts that could result in re or electric shock.
8. See projector enclosure for safety related markings.
9. The unit should only be repaired by appropriate service personnel.
3English

Intended Use Statement
Operation temperature:y
For 0 - 2500 ft, 5 - 35 °C-
For 2500 - 5000 ft, 5 - 30 °C-
For 5000 - 10000 ft, 5 - 25 °C-
Maximum Humidity:y
Operating: 5°C ~ 35°C, 80%RH (Max.), Non-condensing-
Storage: -20°C ~ 60°C, 80%RH (Max.), Non-condensing-
The ambient operating environment should be free of airborne smoke, grease, oil and
other contaminants that can affect the operation or performance of the projector.
Use of this product in adverse conditions will void the product warranty.
Safety Information
Please read, understand, and follow all safety information contained in these instruc-
tions prior to the use of this projector. Retain these instructions for future reference.
Explanation of Signal Word Consequences
Warning: Indicates a potentially hazardous situation, which, if not
avoided, could result in death or serious injury and/or property
damage.
Caution: Indicates a potentially hazardous situation, which, if not
avoided, may result in minor or moderate injury and/or property
damage.
Warning: Hazardous voltage
4
English

5English
Warning
To reduce the risk associated with hazardous voltage:
Do not modify this product in any way.y
Do not attempt to service this projector.y
There are no user-serviceable parts. Service to be performed only by a Optomay
authorized service provider using Optoma approved system components.
Do not use the wall power supply in a wet environment.y
Do not use with a damaged wall power supply. Replace damaged part prior toy
use.
To reduce the risk associated with re and explosion:
Do not immerse the projector in any liquid or allow either to get wet.y
Use only Optoma approved power supply.y
To reduce the risks associated with choking:
Keep all small parts like the remote control battery away from young children andy
pets.
To reduce the risk associated with hazardous voltage, impact, tripping, and
intense visible light:
Do not use this projector around unsupervised children.y
Caution
To reduce the risks associated with hearing loss:
Be sure to read earphone manufacturer's instructions with respect to volumey
level.
User is responsible to set a safe volume level.y
To reduce the risk associated with explosion, and/or chemicals from a leaking
batteries:
Use only with battery type CR2025.y
Orient the battery's plus (+) and minus (-) terminals of the batteries according toy
the markings found on the remote control.
Do not leave the battery in the remote for an extended period of time.y
Do not heat or expose the battery to fire.y
Do not disassemble, short, or recharge batteryy
Do not carry batteries loose in your pocket or purse.y
Avoid eye and skin contact in the event that battery leaks.y
Do not recharge the battery near a heat source or in extremely hot conditions.y

6
English
To reduce the risk associated with environmental contamination:
Dispose of all system components in accordance with applicable governmenty
regulations.
To reduce the risks associated with LED bright light:
Do not stare directly into the projector lens.y
To reduce the risks associated with tripping and falling:
Position the charging cord and data cables so that they are not a tripping hazard.y
IMPORTANT NOTE: Do not expose the projector to direct sunlight in a closed space such as a
vehicle.
SAVE THESE INSTRUCTIONS
Safety Labels
M
n
O
2
-
L
i
C
E
L
L
3
V
O
L
T
S
J
A
P
A
N
H
CR2025
Remote Control (Optional)
Model No. IR28012

7English
Trademarks
Optoma and the Optoma logo are trademarks of Optoam Company. Adobe and the
Adobe logo are either registered trademarks or trademarks of Adobe Systems Incorpo-
rated in the United States and/or other countries. Microsoft, PowerPoint, and Excel are
registered trademarks of Microsoft Corporation. microSD and microSDHC are trade-
marks of the SD Association.
All other trademarks or registered trademarks are property of their respective compa-
nies.
Video and Audio Decoder Notices
MPEG-4 NOTICE
THIS PRODUCT IS LICENSED UNDER THE MPEG-4 VISUAL PATENT PORTFOLIO
LICENSE FOR THE PERSONAL AND NON-COMMERCIAL USE OF A CONSUMER
FOR (i) ENCODING VIDEO IN COMPLIANCE WITH THE MPEG-4 VISUAL STANDARD
("MPEG-4 VIDEO") AND/OR (ii) DECODING MPEG-4 VIDEO THAT WAS ENCODED BY
A CONSUMER ENGAGED IN A PERSONAL AND NONCOMMERCIAL ACTIVITY AND/
OR WAS OBTAINED FROM A VIDEO PROVIDER LICENSED BY MPEG LA TO PROVIDE
MPEG-4 VIDEO. NO LICENSE IS GRANTED OR SHALL BE IMPLIED FOR ANY OTHER
USE. ADDITIONAL INFORMATION INCLUDING THAT RELATING TO PROMOTIONAL,
INTERNAL AND COMMERCIAL USES AND LICENSING MAY BE OBTAINED FROM
MPEG LA, LLC. SEE HTTP://WWW.MPEGLA.COM.
AVC VIDEO NOTICE
THIS PRODUCT IS LICENSED UNDER THE AVC PATENT PORTFOLIO LICENSE FOR
THE PERSONAL AND NONCOMMERCIAL USE OF A CONSUMER TO (i) ENCODE VID-
EO IN COMPLIANCE WITH THE AVC STANDARD (“AVC VIDEO”) AND/OR (ii) DECODE
AVC VIDEO THAT WAS ENCODED BY A CONSUMER ENGAGED IN A PERSONAL AND
NON-COMMERCIAL ACTIVITY AND/OR WAS OBTAINED FROM A VIDEO PROVIDER
LICENSED TO PROVIDE AVC VIDEO. NO LICENSE IS GRANTED OR SHALL BE IM-
PLIED FOR ANY OTHER USE. ADDITIONAL INFORMATION MAY BE OBTAINED FROM
MPEG LA, L.L.C. SEE HTTP://WWW.MPEGLA.COM.
MPEG LAYER-3 NOTICE
Supply of this product does not convey a license nor imply any right to distribute MPEG
Layer-3 compliant content created with this product in revenue-generating broadcast
systems (terrestrial, satellite, cable and/or other distribution channels),streaming appli-
cations (via Internet, intranets and/or other networks), other content distribution systems
(pay-audio or audio-ondemand applications and the like) or on physical media (com-
pact discs, digital versatile discs, semiconductor chips, hard drives, memory cards and
the like). An independent license for such use is required.
For details, please visit http://mp3licensing.com.

8
English
Regulatory Notices
FCC STATEMENT - CLASS B
This equipment generates, uses and can radiate radio frequency energy, and if not
installed and used in accordance with the instruction manual may cause interference to
radio communications. It has been tested and found to comply with the limits for a Class
“B” computing device pursuant to Subpart B of Part 15 of the FCC Rules, which are
designed to provide reasonable protection against such interference when operated in
a residential installation. However, there is no guarantee that interference will not occur
in a particular installation. If this equipment does cause harmful interference to radio
or television reception, which can be determined by turning the equipment off and on,
the user is encouraged to try to correct the interference by one or more of the following
measures:
Reorient or relocate the receiving antenna.y
Increase the separation between the equipment and receiver.y
Connect the equipment into an outlet on a circuit different from that to which the receiver isy
connected.
Consult the dealer or an experienced radio/TV technician for help.y
NOTICE: This Class B digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada.
Industry Canada regulatory information
Operation is subject to the following two conditions:
(1) this device may not cause interference, and
(2) this device must accept any interference, including interference that may cause
undesired operation of the device.
The user is cautioned that this device should be used only as specified within this
manual to meet RF exposure requirements. Use of this device in a manner inconsistent
with this manual could lead to excessive RF exposure conditions.
This Class [B] digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe [B] est conforme à la norme NMB-003 du Canada.
INSTRUCTIONS TO USERS: This equipment complies with the requirements of FCC
equipment provided that the following conditions are met. If the cables include a EMI
ferrite core, attach the ferrite core end of the cable to the projector. Use the cables
which are included with the projector or specified.
Note: Changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
Complies with IDA Standards DA103121

9English
CE Statement
ElectroMagnectic Compatibility Statement: Meets 2004/108/EC Directive
Low Voltage Directive: Meets 2006-95-EC Directive.
WEEE Statement
The following information is only for EU-members States:
The mark shown to the right is in compliance with Waste Electrical and Electronic Equip-
ment Directive 2002/96/EC (WEEE). The mark indicates the requirement NOT to dispose
the equipment as unsorted municipal waste, but use the return and collection systems
according to local law.

10
English
Introduction
Package Contents
Your projector comes with all the items shown below. Ensure that you have all
the items, and contact your local reseller or service center if anything is missing.
FOCUS
Projector Power cable AC adapter
Universal 24-pin to
VGA/Audio cable
Quick start card
and documentation Carrying case
Remote control
NOTE: The remote control is shipped with battery.

11 English
About Your Projector
Main Unit
FOCUS
4
FOCUS
1
2
3
5
# Description
1 Control panel
2 Focus ring
3 Lens
4 Input / Output connections
5 Tilt adjusting wheel

12
English
Input / Output Connections
6
1 2
345
# Description
1 MicroSD card slot
2 USB Type A connector
3 DC input connector
4 HDMI/MHL connector
5 Universal I/O connector
6 Security cable slot

13 English
FOCUS
Control Panel
# Name Description
1 Power Turns the projector on or off.
2 Keystone ad-
justment
Press to adjust image distortion caused by tilting the projector
(+/-40 degrees).
NOTE: This function is not supported on Multi-Media function.
3 Auto adjust Press to synchronize the projector to the input source.
NOTE: Auto Adjust does not operate if the on-screen display (OSD) is
displayed.
4 Error LED Error LED is solid amber, one of the LED has failed. The projector
will automatically shut down.
5 Temp LED If the TEMP amber indicator is blinking, one of the following prob-
lems could be occurring:
Internal temperature of the projector is too high.y
The fans has failed.y
6 Menu Press to activate the OSD. Use the directional keys and the Menu
button to navigate through the OSD.
7 Source Press to enter Source menu and select an input source.
NOTE: This function is not supported on Multi-Media function.
8 Enter Press to confirm the selection item.
9 Four Direction-
al Select Keys
Press to navigate through the On-Screen Display (OSD) Menu
items.
1
2
3
4
5
6
7
8
9
8

14
English
Remote Control
# Name Description
1 Power Turns the projector on or off.
2 Source Press to enter Source menu
and select an input source.
3 Menu Press to activate the OSD.
4 Enter
Play/Pause
Press to confirm the selec-
tion.
Press to play/pause media
file.
5 Aspect Ratio Press to change aspect ratio
of a displayed image.
6Volume up Press to increase the vol-
ume.
7Stop Press to stop playing media
file.
8 Volume down Press to decrease the
volume.
9Rewind Press to search backward.
10 LED mode Allows you to select the
display mode.
11 Blank screen Press to hide/unhide the
image.
12 Up/Down/Left/
Right
Press to navigate through
the On-Screen Display
(OSD) Menu items.
13
14
Keystone ad-
justment
Press to adjust image distor-
tion caused by tilting the
projector (+/-40 degrees).
15 Fast Forward Press to search forward.
10
11
13
15
12
14
1
2
3
4
5
7
8
9
6

15 English
Installing the Remote Control Battery
Remove the battery holder by holding down the side1.
release firmly and pulling out the battery holder.
3
V
O
L
T
S
CR2025
3
V
O
L
T
S
CR2025
M
3
V
O
L
T
S
CR2025
NOTE: When you use the remote control for the rst time, there
is a plastic sheet between the battery and its contact. Remove
the sheet before use.
Insert a CR2025 coin cell battery and align the polarity2.
correctly according to the marking in the battery holder.
Replace the battery holder.3.
Operating Range with Remote Control
FOCUS
±20°
7 m/22.97 feet
NOTE: Actual operating range may slightly differ from the diagram. Additionally, a weak battery
reduces or eliminates the operating range of the remote control.

16
English
Connecting to a Computer
Installation
1
2
34
5
# Description
1 Power cord
2 AC adapter
3 Universal 24-pin to VGA/Audio cable
4 HDMI cable *
5 USB-A to USB-A cable *
* NOTE: The accessory is not shipped with your projector.

17 English
Connecting to a DVD Player
2
3
1
# Description
1 Power cord
2 AC adapter
3 HDMI cable *
* NOTE: The accessory is not shipped with your projector.

18
English
Connecting to Multi-Media
1
2
3
4
# Description
1 Power cord
2 AC adapter
3 MicroSD card *
4 USB flash disk *
5 MHL cable *
* NOTE: The accessory is not shipped with your projector.
5
Smart Phone

19 English
Turning Your Projector On
NOTE: Turn on the projector before you turn on the source (computer, DVD player, etc.). The
Power button light blinks amber until pressed.
Connect the power cord with AC adapter and appropriate signal cables to the pro-1.
jector.
Press the2. Power button.
Turn on your source (computer, DVD player, etc).3.
Connect your source to the projector using the appropriate cable.4.
The input source is determined by the last connected input source. (By default, the5.
input source of the projector is set to Multimedia). Change the input source of the
projector if necessary.
If you have multiple sources connected to the projector, press the6. Source button on
the remote control or control panel to select the desired source.
Turning Your Projector Off
Press the1. Power button. Follow the instruction displayed on screen to properly turn
off the projector.
Press the2. Power button again. The cooling fans continue to operate for 3~5 sec-
onds.
Disconnect the power cord and AC adapter from the electrical outlet and the projec-3.
tor.
Turning On/Off the Projector
NOTE: The “Press Power Button to Turn off Projector” message will appear on the screen. The
message disappears after 5 seconds or you can press the Menu button to clear it.