Vivitek D825mx Projector 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...

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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...

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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...

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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...

— 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...

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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...

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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.)...