Vivitek Du978 User Manual

– 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 all of fans are stop–indicating the projector has cooled down. 
 
   

— 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 19 and Setting the OSD Language on page 20 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...

– 15 – 
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 you forget the...

— 16 — 
Adjusting the Projector Level 
Take note of the following when setting up the projector: 
 The projector table or stand should be level and sturdy. 
 Position the projector so that it is perpendicular to the screen. 
 Remove the Back Foot Holder on the rear adjuster foot before adjusting the projection  
angle. 
 Ensure the cables are in a safe location. You could trip over them.  
 
1.  To raise the level of the projector, lift the projector [A] and press the height-
adjuster button [B]....

– 17 – 
Adjusting the Zoom, Focus and Keystone 
1.  Use the Image-zoom  
control (on the projector 
only) to resize the 
projected image and 
screen size . 
 
2.  Use the Image-focus  
control (on the projector 
only) to sharpen the 
projected image . 
3.  Use the KEYSTONE 
buttons (on the 
projector or the remote 
control) to correct 
image-trapezoid (wider 
top or bottom) effect. 
 
4.  The keystone control 
appears on the display.       

— 18 — 
Adjusting the Volume 
1.  Press the Volume +/- 
buttons on the remote 
control.  
The volume control 
appears on the display. 
 
2.  Press the Left or Right 
Cursor buttons on the 
keypad to adjust 
Volume +/-.  
3.  Press the MUTE button 
to turn off the volume. 
(This feature is available 
only on the remote).     

– 19 – 
ON-SCREEN DISPLAY (OSD) MENU SETTINGS 
OSD Menu Controls 
The projector has an OSD that lets you make image adjustments and change various settings.  
Navigating the OSD 
You can use the remote control cursor buttons to navigate and make changes to the OSD.  
 
1. To enter the OSD, press the 
MENU button.  
2. There are three menus. 
Press the cursor ◄► button 
to move through the menus.  
3. Press the cursor ▲▼ button 
to move up and down in a 
menu.  
4. Press ◄► to change values 
for settings....

— 20 — 
Setting the OSD Language 
Set the OSD language to your preference before continuing. 
1. Press the MENU button. Press the cursor ◄► button to navigate to Settings 1. Press the 
cursor ▲▼ button to move to the Advanced 1 menu. 
 
2. Press  (Enter) / ► to enter the Advanced 1 sub menu. Press the cursor ▲▼ button 
until Language is highlighted.  
 
3. Press the cursor button until the language you want is highlighted.  
4. Press the MENU button four times to close the OSD.   
   

– 21 – 
OSD Menu Overview 
Use the following illustration to quickly find a setting or determine the range for a setting. 
Main 
Menu 
 
Sub Menu   
 
Settings 
Image  Display Mode    Presentation, Bright, Game, 
Movie, TV, sRGB, Blackboard, 
User 
  Brightness    0~100 
  Contrast    0~100 
  Computer  Horizontal Position  -5~5 (depend on Autolock) 
    Vertical Position  -5~5 (depend on Autolock) 
    Frequency  0~31 
    Tracking  -5~5 
  Auto Image     
  Advanced  Brilliant Color  -5~5...

— 22 — 
Main 
Menu 
 
Sub Menu   
 
Settings 
Settings 1  Source  Source  reference Input Source Select 
(IR/Keypad) 
  Projection    Normal, Real, Ceiling, Real+Ceiling 
  Aspect Ratio    Fill, 4:3, 16:9, Letter Box, Native, 2.35:1 
  Keystone    -40~40 
  Digital Zoom    -10~10 
  Audio  Volume  1~10 
    Mute  Off, On 
  Advanced 1  Language  English, Français, Deutsch, Españ ol, 
Portuguê s, 簡体中文, 繁體中文, Italiano, 
Norsk, Svenska, Nederlands, Русский, 
Polski, Suomi, Ελληνικά, 한국어, 
Magyar, Čeština,...