Optoma Hd81 Projector User Manual

Installation
English
21  

Installation
22

Powering On the Projector
1. Remove the lens cap.
2. Ensure that the (1) power cord for Projector and Box and 
(2) HDMI To HDMI ,and RS-232 cable that are from Box to 
Projector signal cable, (3) Signal cable to Box are securely 
connected and turn on Main power switch on Box side. The 
Power LED will become red on Projector side and Box side.
3. Turn on the lamp by pressing “On/Standby” button either 
on the from of the Box or on the remote.  The Power LED 
will turn blueon Box side...

Installation
English
23

Warning Indicator
  When the “LAMP” indicator fl  ashing orange, the projector 
will automatically shut itself down. Please contact your local 
reseller or service center. See page 62. 
  When the “TEMP” indicator lights solid red, it indicates the 
projector 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...

Installation
24

 Adjusting the Projected Image
Adjusting the Projector’s Height
Tilt-Adjustment Feet
Elevator Feet
The projector is equipped with elevator feet for adjusting the 
image height.
 To raise the image:
1.  Press the elevator button 
. 
2.  Raise the image to the desired height angle 
, then release  
  the button to lock the elevator feet into position.
3.  Use screw in feet 
 to fi  ne-tune the display angle. 
 To lower the image:
1.  Press the elevator button.
2.  Lower the image, then...

Installation
English
25

L
H


H
(
1
9
2
0
X
1
0
8
0
)

A

B
(
1
9
2
0
X
1
0
8
0
)

W
0
(
1
9
2
0
X
1
0
8
0
)

W1(1400X1050)
D(1920X1080)

Focus Ring
Zoom Lever
Adjusting the Projector’s Zoom / Focus
Turn the Zoom Lever to zoom in or zoom out. To focus 
the image, turn the focus ring until you see a clear image. 
The projector will focus at distances from 4.9 to 39.4 feet 
(1.5 to 12.0 meters) and the projection screen size from 
0.775m~7.62m (30.5”~300”) at 16:9 mode with mechanical 
travel.
Adjusting...

User Controls
26

Using the 
Control Panel

Source
Press “Source” to choose Analog via DVI (DVI-A) 
or digital via DVI (DVI-D), RGB, Component-p, 
Component-i, S-Video, Composite Video, HDTV 
and HDMI sources.
MenuPress “Menu” to launch the on-screen display 
(OSD) menu. To exit OSD, Press ”Menu” again.
Four Direc-
tional Select 
Keys
Use        to select items or make adjust-
ments to your selection.
EnterConfi  rm your item selection.
Re-Sync Automatically synchronizes the projector to the 
input...

User Controls
English
27

Using the 
Remote Control

Power on
Power on the projector. Refer to the “Power On the Projector” section on pages 22-23.
StandbyPower off the projector. Refer to the “Power Off the Projector” section on pages 22-23.
Brite mode Increase the brightness of the image.
IRISRefer to “IRIS” function on page 44 for 
more information.
ISF Day/ISF 
Night/User1/
User2/User3
Select the display mode. Refer to “Image--> Mode” section on page 27.
GammaThere are 10 preset gamma curves.  After...

User Controls
28

Overscan
Mask off a few pixels on each edge of the 
image to be displayed. Use this function 
to adjust if image source happens to have 
noise near any edge of the display image.
16x9/4x3/Na-
tive/LBX/For-
mat 1/Format 2
Select the display format. Refer to “Display--> Format” section on page 35.
HDMI 1/
HDMI 2/
HDMI 3
Press “HDMI 1”/“HDMI 2”/“HDMI 3” 
to choose source from HDMI 1/HDMI 
2/HDMI 3 connector.
S-Video 1/     
S-Video 2/     
S-Video 3
Press “S-Video 1”/“S-Video 2”/“S-Video...

User Controls
English
29

There are four main modules in the OSD: IMAGE, DIS-
PLAY, SYSTEM, and SETUP:
▪ IMAGE enables a powerful interface to tune the picture to the best 
quality possible
▪ DISPLAY provides the ability to set the different scaling formats, 
both input and output
▪ SYSTEM contains other system oriented functions, such as language, 
changing output resolution, and more
▪ SETUP confi gures video inputs 
The Projector has multilingual On-screen Display menus 
that allow you to make image...

User Controls
30

Menu Tree