Vivitek D825mx User Manual

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– 5 – 
Bottom view 
 
ITEM LABEL DESCRIPTION SEE PAGE: 
1.  Ceiling support holes  Contact your dealer for information on mounting the projector on a ceiling 
2.  Tilt adjustor   Rotate adjuster lever to adjust angle position.  15 
3.  Lamp cover  Remove when changing the lamp. 34 
4.  Height adjustor  Adjuster drops down when adjuster button is pushed. 
5.  Height adjustor button  Push to release adjustor. 
15 
 
Note: 
When installing, ensure that you use only UL Listed ceiling mounts. 
 
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– 6 – 
Remote Control Parts 
 
Important: 
1. Avoid using the projector with bright fluorescent lighting turned on. Certain high-frequency 
fluorescent lights can disrupt remote control operation. 
 
2. Be sure nothing obstructs the path between the remote control and the projector. If the path 
between the remote control and the projector is obstructed, you can bounce the signal off certain 
reflective surfaces such as projector screens. 
 
3. The buttons and keys on the projector have the same functions as the corresponding buttons on 
the remote control. This user’s manual describes the functions based on the remote control. 
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– 7 – 
 
ITEM LABEL DESCRIPTION SEE PAGE: 
1.  IR transmitter  Transmits signals to projector 
2.  Status LED  Lights when the remote control is used 
3.  Laser  Press to operate the on-screen pointer 
4.  Up  Up arrow when connected through USB to a PC 
5.  Right  Right arrow when connected through USB to a PC 
6.  Down  Down arrow when connected through USB to a PC 
7.  Page Down  Page down when connected through USB to a PC 
8.  Up cursor  
9.  Right cursor  
10.  Down cursor Navigates and changes settings in the OSD  
18 
11.  Volume +/-  Adjusts volume 
17 
12.  Mute  Mutes the built-in speaker 
13.  Zoom+  Zoom in  
14.  Zoom- Zoom out 
15.  Freeze   Freeze/unfreezes the on-screen picture 
16.  Blank  Makes the screen blank 
17.  Source  Detects the input device 
18.  Auto  Auto adjustment for phase, tracking, size, position 
19.  Menu  Opens the OSD  18 
20.  Status  Opens the OSD Status menu (the menu only opens when an 
input device is detected) 錯誤! 尚未定
義書籤。
 
21.  Keystone top/bottom  Corrects image-trapezoid (wider top/bottom) effect 
16 
22.  Left cursor  Navigates and changes settings in the OSD  
23.  Enter Changes settings in the OSD 
24.  Page Up  Page up when connected through USB to a PC 
25.  Left  Left arrow when connected through USB to a PC 
26.  Enter  Enter key when connected through USB to a PC 18 
27.  Power   Turns the projector on or off 11 
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– 8 – 
ITEM LABEL DESCRIPTION SEE PAGE: 
28.  Laser  Use as on-screen pointer. DO NOT POINT IN EYES. 
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– 9 – 
Remote Control Operating Range 
The remote control uses infrared transmission to control the projector. It is not necessary to point the 
remote directly at the projector. Provided you are not holding the remote perpendicular to the sides or 
the rear of the projector, the remote will function well within a radius of about 7 meters (23 feet) and 
15 degrees above or below the projector level. If the projector does not respond to the remote control, 
move a little closer.   
Projector and Remote Control Buttons 
The projector can be operated using the remote control or the buttons on the top of the projector. All 
operations can be carried out with the remote control; however, the buttons on the projector are 
limited in use.  
 
 
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							— 10 — 
SETUP AND OPERATION 
Inserting the Remote Control Batteries  
1.  Remove the battery compartment cover 
by sliding the cover in the direction of 
the arrow. 
 
2.  Insert the battery with the positive side 
facing up. 
 
3.  Replace the cover. 
 
 
Caution: 
1. Only use AAA batteries (Alkaline batteries are recommended). 
 
2. Dispose of used batteries according to local ordinance regulations.  
 
3. Remove the batteries when not using the projector for prolonged periods. 
 
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– 11 – 
Connecting Input Devices 
A PC or notebook computer and video devices can be connected to the projector at the same time. Video 
devices include DVD, VCD, and VHS players, as well as movie camcorders and digital still cameras. 
Check the user manual of the connecting device to confirm it has the appropriate output connector.  
 
ITEM LABEL DESCRIPTION 
A 
 (USB) Connect the USB CABLE from a computer. 
B 
S-video  Connect the S-VIDEO CABLE from a video device. 
C 
Video  Connect the VIDEO CABLE from a video device. 
D 
Audio-in  Connect the AUDIO CABLE from the computer’s audio-out connector.  
E VGA Connect the RGB CABLE from a computer. 
Connect DVD input YCbCr / YPbPr, through optional RGB to 
COMPONENT ADAPTER. 
 RS-232  Connect the RS-232 serial cable for remote control                                             
 
Warning: 
As a safety precaution, disconnect all power to the projector and connecting devices before making 
connections. 
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– 12 – 
Starting and Shutting down the Projector 
1.  Connect the power cord to the projector. 
Connect the other end to a wall outlet. 
The 
 POWER and READY LEDs 
on the projector light. 
2.  Turn on the connected devices.  
3.  Ensure the READY LED displays a 
solid orange and not a flashing orange. 
Then press the 
 POWER button to 
turn on the projector.  
 
The projector splash screen displays and 
connected devices are detected. 
 
See Setting an Access Password 
(Security Lock) on page 13 if security 
lock is enabled. 
4.  If more than one input device is 
connected, press the SOURCE button 
and use ▲▼ to scroll among devices. 
(Component is supported through the 
RGB to COMPONENT ADAPTER.) 
 
 
• RGB: Analog RGB 
Component: DVD input YCbCr / YPbPr, or 
HDTV input YPbPr via HD15 connector 
• Composite Video: Traditional composite video 
• S-Video: Super video (Y/C separated) 
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– 13 – 
5.  When the “Power Off? /Press Power 
again” message appears, press the 
POWER button. The projector turns 
off. 
 
Caution: 
1. Be sure to remove the lens cap before starting projector.  
2. Do not unplug the power cord until the READY LED stops flashing–indicating the projector has 
cooled down. 
 
 
 
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– 14 – 
Setting an Access Password (Security Lock) 
You can use the four (arrow) buttons to set a password and prevent unauthorized use of the projector. 
When enabled, the password must be entered after you power on the projector. (See Navigating the 
OSD on page 18 and Setting the OSD Language on page 19 for help on using OSD menus.) 
Important: 
Keep the password in a safe place. Without the password, you will not be able to use the projector. 
If you lose the password, contact your reseller for information on clearing the password. 
 
1.  Press the MENU button to open the OSD 
menu. 
2.  Press the cursor ◄► button to move to 
the Installation I menu. 
 
3.  Press the cursor ▲▼ button to select  
Security Lock. 
4.  Press the cursor ◄► button to enable or 
disable security lock function. 
A password dialog box automatically  
appears. 
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