Vivitek D791st User Manual

DLP Projector – User’s Manual 
 
 
 Rear view 
12 34
56
7
89
12 11
1
0 
ITEM LABEL DESCRIPTION SEE PAGE: 
Connect the RGB CABLE to a display 
(Loop Thru only for VGA IN-1) 1.  VGA OUT 
2.  RS-232 Connect RS-232 serial port cable for remote control 
Connect the RGB CABLE from a computer and  
components 3.  VGA – 1 
Connect the RGB CABLE from a computer and  
components 4.  VGA – 2 9
5.  RJ – 45 Connect a LAN CABLE from Ethernet 
6.  S-VIDEO IN Connect the S-VIDEO CABLE from a video device 
7.  VIDEO IN...

DLP Projector – User’s Manual 
 
 
Bottom view 
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126.00228.00
20.00
56.00
146.00
236.00100.0240.0
12 3
3 3 2
 
ITEM LABEL DESCRIPTION SEE PAGE: 
431.  Security bar Helps protect the projector from unauthorized use 
2.  Tilt adjustors Rotate adjusters lever to adjust angle position 
3.  Ceiling support holes Contact your dealer for information on mounting the projector on a ceiling 
 
Note: 
When installing, ensure that you us
e only UL Listed ceiling mounts. 
For ceiling installations, use...

DLP Projector – User’s Manual 
 
 
Remote Control Parts 
 
 
Important: 
1.  Avoid using the projector with bright fluoresc ent lighting turned on. Certain high-frequency fluo-
rescent lights can disrupt remote control operation. 
 
2. Be sure nothing obstructs the path between the re mote control and the projector. If the path be-
tween 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...

DLP Projector – User’s Manual 
 
 
– 6 – 
 
ITEM LABEL DESCRIPTION SEE PAGE: 
1.  IR transmitter Transmit s 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 connect ed through USB to a PC 
5.  Right Right arrow when connected through USB to a PC 
6.  Down Down arrow when conn ected 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...

DLP Projector – User’s Manual 
 
 
–  7 –  
Remote Control Operating Range 
The remote control uses infrared transmission to cont rol 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 re mote will function well within a radi us of about 7 meters (23 feet) and 
15 degrees above or below the projector level. If the pr ojector does not respond to the remote control, 
move a...

DLP Projector – User’s Manual 
 
 
 
SETUP AND OPERATION 
Inserting the Remote  Control Batteries  
– 8 – 
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 accordi ng to local ordinance regulations.  
 
3. Remove the batteries when not usi ng the projector for...

DLP Projector – User’s Manual 
 
 
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 we ll as movie camcorders and digital still cameras. 
Check the user manual of the connecting device to  confirm it has the appropriate output connector.  
ABCDEFG
IJK
H
 
ITEM LABEL DESCRIPTION 
Connect the RGB CABLE to a display 
(Loop Thru only for VGA IN-1) AVGA OUT  
BRS-232 Connect RS-232...

DLP Projector – User’s Manual 
 
 
Starting and Shutting  down the Projector 
1.  Connect the power cord to the projector. 
Connect the other end to a wall outlet. 
The POWER  LED on the projector 
light. 
2.   Turn on the connected devices. 
3.  Ensure the  POWER LED displays a 
solid orange. Then press the  POWER 
button 
of the remote to turn on the pro-
jector.  
 
The projector splash screen displays and 
connected devices are detected. 
 
See 
Setting an Access Password 
(Security Lock)
 on page...

DLP Projector – User’s Manual 
 
 
5.  When the “Power Off? /Press Power 
again” message appears, press the 
POWER  button. The projector turns 
off. 
 
Caution: 
Do not unplug the power cord until the POWE R LED change to orange–indicating the projector 
has cooled down. 
 
 
 
– 11  – 
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DLP Projector – User’s Manual 
 
 
Setting an Access Password (Security Lock) 
You can use the four (arrow) buttons to set a password and prevent un authorized use of the projector. 
When enabled, the password must be entered after you power on the projector. (See 
Navigating the 
OSD
 on page 17 and  on page 18 for help on using OSD menus.) Setting the OSD Language
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,...