Vivitek D551 User Manual

DLP Projector—User’s Manual 
Top view—On-screen Display (OSD) buttons and LEDs 
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ITEM LABEL DESCRIPTION SEE PAGE
1.  Keystone  
Navigates and changes settings in the OSD 
Quick Menu – For Keystone 
2.  MENU 
Opens and exits OSD menus 
3.  SOURCE  Navigates and changes settings in the OSD 
Enter the Source menu 
4.  Keystone  Navigates and changes settings in the OSD 
Quick Menu – For Keystone 
5.  AUTO  Navigates and changes settings in the OSD 
Optimizes image size, position, and...

DLP Projector—User’s Manual 
 Rear view 
Warning: 
As a safety precaution, disconnect all power to the projector and connecting devices before making 
connections. 
 
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ITEM LABEL DESCRIPTION SEE PAGE 
1.  AC IN 
Connect the POWER cable 9 
2.  HDMI (*1) Connect the HDMI cable from a HDMI device 
3.  COMPUTER IN 1  Connect the RGB cable from a computer 
4.  COMPUTER IN 2 (*2)  Connect the RGB cable from a computer 
5.  RS-232C (*2)  Connect RS-232 serial port cable for remote control 
6....

DLP Projector—User’s Manual 
Bottom view 
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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.  13 
 
Note: 
When installing, ensure that you us e only UL Listed ceiling mounts. 
For ceiling installations, use approved mounting har dware and M4 screws with a maximum screw 
depth of 12 mm (0.47 inch).  
The construction of the ceiling mount must...

DLP Projector—User’s Manual 
Remote Control Parts  
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Menu
Power
Vo l u m e
Freeze
Auto Source Mute
 
ITEM LABEL DESCRIPTION SEE PAGE 
1.  Up cursor 
Navigates and changes settings in the OSD   
2.  Enter  Changes settings in the OSD 
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3.  Power Turns the projector On or Off 9 
4.  Right cursor  Navigates and changes settings in the OSD 15 
5.  Volume + Increase volume 
6.  Volume - Decrease volume 
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7.  Mute  Audio mute 
Note : 
Available in different model  
8....

DLP Projector—User’s Manual 
Inserting the Remote Control Batteries 
 
1.  Remove the battery compartment cover 
by sliding the cover in the direction of 
the arrow (A). Pull out the cover (B). 
 
2.  Insert the battery with the positive side 
facing up. 
 
3.  Replace the cover. 
 
 
Caution:  
1. Only use a 3V lithium battery (CR2025). 
 
2. Dispose of used batteries accordi ng to local ordinance regulations.  
 
3. Remove the batteries when not usi ng the projector for prolonged periods. 
 
 
 
 
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DLP Projector—User’s Manual 
— 8 — 
Important: 
1.  Avoid using the projector with bright fluore scent 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...

DLP Projector—User’s Manual 
– 9 –  
SETUP AND OPERATION 
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 not a flashing. 
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 Loc
 k) on...

DLP Projector—User’s Manual 
5.When the “Power Off? /Press Power
again” messa
ge appears, press the
POWE
R button. The proj
ector turns
off.
Caution: 
Do not unplug the power cord until the POWER LE D stops flashing–indicating the projector has 
cooled down. 
— 10 —  

DLP Projector—User’s Manual 
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  15 and Setting the OSD Language  on page 16 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,...

DLP Projector—User’s Manual 
5.  You can use the cursor buttons ▲▼◄► 
either on keypad or IR remote control for 
password entry. You can use any 
combination including the same arrow five 
times, but not less than five. 
Press the cursor buttons in any order to set 
the password. Push the  MENU button to 
exit the  dialog box. 
6.  The password confirm menu appears when 
user presses the power-on key in case the 
Security Lock  is enabled.  
Enter the password in the order you set it 
at step 5. In case...