Optoma HD91 User manual

1English
Table of Contents ............................1
Usage Notice...................................2
Safety Information...............................2
Precautions.........................................3
Eye Safety Warnings ..........................6
Flexible Angle Setting .........................6
Introduction......................................7
Package Overview..............................7
Product Overview ...............................8
Main Unit.............................................. 8
Input/Output Connections .................... 9
Remote Control.................................. 10
Installation ..................................... 11
Connecting the Projector ..................11
Connect to Computer/Notebook ........ 11
Connect to Video Sources ................. 12
Connect to 3D Video Devices...........13
Using the 3D glasses........................15
Powering On/Off the Projector..........16
Powering On the Projector................. 16
Powering Off the Projector................. 17
Warning Indicator............................... 18
Adjusting the Projected Image..........19
Adjusting the Projector’s Height ........ 19
Adjusting the Projector’s Position ...... 20
User Controls ................................22
Control Panel & Remote Control ......22
Control Panel ..................................... 22
Remote Control.................................. 23
On-screen Display Menus ................25
How to operate .................................. 25
Menu Tree.......................................... 26
IMAGE ............................................... 28
IMAGE | Advanced ............................ 30
IMAGE | Advanced | PureEngine....... 31
IMAGE | Advanced | Color Settings... 32
DISPLAY............................................ 34
DISPLAY | 3D ................................... 39
SYSTEM ............................................ 40
SETUP............................................... 43
SETUP | HDMI Link Settings ............. 45
SETUP | Signal (VGA) ....................... 47
SETUP | Signal (Video) ..................... 48
Appendices....................................49
Troubleshooting ................................49
Image Problems................................. 49
Other Problems.................................. 51
Remote Control Problems ................. 51
LED Lighting Messages..................... 52
On Screen Messages ........................ 53
Compatibility Modes .........................54
RS232 Commands and Protocol
Function List .....................................56
RS232 Pin Assignments .................... 56
RS232 Protocol Function List ............ 57
Ceiling Mount Installation..................60
Optoma Global Ofces .....................61
Regulation & Safety Notices .............63
FCC Notice ........................................ 63
Declaration of Conformity for EU
countries ............................................ 64
Trademarks .......................................65
Table of Contents

2
English
Usage Notice
The lightning ash with arrow head within an equilateral triangle is
intended to alert the user to the presence of uninsulated “dangerous volt-
age” within the product’s enclosure that may be of sufcient 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 (servic-
ing) 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 Equipment 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 loca-
tion 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 ap-
paratus such as ampliers that emits heat.
4. Clean only with dry cloth.
5. Only use attachments/accessories specied 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.
Safety Information

3English
Usage Notice
Please follow all warnings, precautions and mainte-
nance as recommended in this user’s guide.
▀■Warning- Do not look into the projector’s lens when the
LED is on. The bright light may hurt 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 projec-
tor as this may cause electric shock.
▀■Warning- When switching the projector off, please ensure
the cooling cycle has been completed before
disconnecting power. Allow 10 seconds for the
projector to cool down.
▀■Warning- Do not use lens cap when projector is in opera-
tion.
▀■Warning- Allowing the proper amount of space on the
top, sides, and rear of the projector cabinet is
critical for proper air circulation and cooling of
the unit. The dimensions shown here indicate
the minimum space required. If the projector
is to be built into a compartment or similarly
enclosed, these minimum distances must be
maintained.
8” (20cm) 4” (10cm)
8” (20cm)
4” (10cm)
Precautions

4
English
Usage Notice
Do:
Turn off and unplug the power plug from the AC outlet before
cleaning the product.
Use a soft dry cloth with mild detergent to clean the display hous-
ing.
Disconnect the power plug from AC outlet if the product is not be-
ing used for a long period of time.
Do not:
Block the slots and openings on the unit provided for ventilation.
Use abrasive cleaners, waxes or solvents to clean the unit.
Use under the following conditions:
In extremely hot, cold or humid environments.-
Ensure that the ambient room temperature is within 5°C ~ `
40°C
Relative humidity is 10% ~ 85%`
In areas susceptible to excessive dust and dirt.-
Near any appliance generating a strong magnetic eld.-
In direct sunlight.-
Viewing 3D projection using the 3D function
IMPORTANT SAFETY INFORMATION. READ THE FOLLOWING WARN-
INGS BEFORE YOU OR YOUR CHILD USE THE 3D FUNCTION.
Warning
Children and teenagers may be more susceptible to health issues
associated with viewing in 3D and should be closely supervised
when viewing these images.
Photosensitive Seizure Warning and Other Health Risks
Some viewers may experience an epileptic seizure or stroke when
exposed to certain ashing images or lights contained in certain
Projector pictures or video games. If you suffer from, or have a
family history of epilepsy or strokes, please consult with a medical
specialist before using the 3D function.
Even those without a personal or family history of epilepsy or
stroke may have an undiagnosed condition that can cause photo-
sensitive epileptic seizures.
Pregnant women, the elderly, sufferers of serious medical condi-

5English
Usage Notice
tions, those who are sleep deprived or under the inuence of
alcohol should avoid utilizing the unit’s 3D functionality.
If you experience any of the following symptoms, stop viewing 3D
pictures immediately and consult a medical specialist: (1) altered
vision; (2) light-headedness; (3) dizziness; (4) involuntary move-
ments such as eye or muscle twitching; (5) confusion; (6) nausea;
(7) loss of awareness; (8) convulsions; (9) cramps; and/ or (10)
disorientation. Children and teenagers may be more likely than
adults to experience these symptoms. Parents should monitor
their children and ask whether they are experiencing these symp-
toms.
Watching 3D projection may also cause motion sickness, percep-
tual after effects, disorientation, eye strain and decreased postural
stability. It is recommended that users take frequent breaks to
lessen the potential of these effects. If your eyes show signs of
fatigue or dryness or if you have any of the above symptoms, im-
mediately discontinue use of this device and do not resume using
it for at least thirty minutes after the symptoms have subsided.
Watching 3D projection while sitting too close to the screen for
an extended period of time may damage your eyesight. The
ideal viewing distance should be at least three times the screen
height. It is recommended that the viewer’s eyes are level with the
screen.
Watching 3D projection while wearing 3D glasses for an extended
period of time may cause a headache or fatigue. If you experience
a headache, fatigue or dizziness, stop viewing the 3D projection
and rest.
Do not use the 3D glasses for any other purpose than for watch-
ing 3D projection. Wearing the 3D glasses for any other purpose
(as general spectacles, sunglasses, protective goggles, etc.) may
be physically harmful to you and may weaken your eyesight.
Viewing in 3D projection may cause disorientation for some view-
ers. Accordingly, DO NOT place your 3D PROJECTOR near open
stairwells, cables, balconies, or other objects that can be tripped
over, run into, knocked down, broken or fallen over.

6
English
Usage Notice
▀■Avoid staring/facing directly into the projector beam at all
times. Keep your back to the beam as much as possible.
▀■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, use room blinds to re-
duce ambient light levels.
Eye Safety Warnings
Flexible Angle Setting
▀■Available angle in vertial direction
360°
▀■Available angle in horizontal direction
90°

7English
Introduction
Documentation :
Warranty Card
Quick Start Card
WEEE Card
(for EMEA only)
Due to different
applications in
each Country,
some regions may
have different
accessories.
Power Cord
IR Remote Control
(Remote may vary de-
pending on model)
2 × AAA Batteries
Projector with lens cap
Unpack and inspect the box contents to ensure all parts listed
below are in the box. If something is missing, please contact
Optoma customer service.
Package Overview
Menu Mode
16:9 4:3
Letter-Box Native
Pure Engine 3D Format
LED Brightness
HDMI
Link
2D/3D
For European warranty information please visit www.optomaeurope.com

8
English
Introduction
3D SYN C
Out 5V
5V PWR
Out 6W
( )
( )
3D SYN C
Out 5V
5V PWR
Out 6W
( )
( )
Product Overview
Power Button / Power 1.
LED
Temp LED2.
Source Button3.
Ventilation (inlet)4.
IR Receivers5.
Ventilation (outlet)6.
Zoom Ring7.
Focus Ring8.
Lens9.
Lens Cap10.
Tilt-Adjustment Feet11.
Input / Output 12.
Connections
Power Socket13.
11
9
Main Unit
The interface is
subject to model’s
specications.
Do not block
projector in/out air
vents.
6
4
7 8
10
5
13
11 11
12
5
1 2 3

9English
Introduction
3D SY NC
Out 5V
5V PW R
Out 6W
( )
( )
3D SY NC
Out 5V
5V PW R
Out 6W
( )
( )
Input/Output Connections
HDMI 1 Connector (v1.4a 3D supported)1.
HDMI 2 Connector (v1.4a 3D supported)2.
VGA-In/YPbPr Connector 3.
(PC Analog Signal/Component Video Input/HDTV/YPbPr)
Component Video Input Connector (YPbPr)4.
Composite Video Input Connector5.
USB for rmware upgrade6.
RS-232 Connector (9-pin)7.
USB for Power (5V@1A)8.
Power Socket9.
Kensington10. TM Lock Port
12V Trigger A Relay Connector (12V, 250mA. 3.5mm Mini 11.
Jack)
12V Trigger B Relay Connector (12V, 250mA. 3.5mm Mini 12.
Jack)
3D Sync Out (5V)13.
The interface is
subject to model’s
specications.
1 2 3 5 6 7
910
4 8
11 12 13

10
English
Introduction
Remote Control
Power On1.
Power Off2.
Gamma3.
HDMI Link4.
Advanced5.
Four Directional Select6.
Keys
Mode7.
4:38.
Native9.
3D format10.
Re-Sync11.
Video Source12.
HDMI2 Source13.
VGA Source14.
YPbPr Source15.
HDMI1 Source16.
PureEngine17.
LBX18.
16:919.
Menu20.
Enter21.
LED Brightness22.
CMS (Color Manage-23.
ment System)
Contrast24.
Brightness25.
The remote is
subject to model’s
specications.
Menu Mode
16:9 4:3
Letter-Box Native
Pure Engine 3D Format
LED Brightness
HDMI
Link
2D/3D
24
2
3
4
5
6
17
16
15
10
11
12
23
14 13
25
720
21
22
1
8
918
19
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