BenQ Projector SU931 User Manual

  21
  Using the projector
English
Using the projector
Preparations
1. Plug in and turn on all of the connected equipment.
2. If not already in, plug the supplied power cable into the AC inlet 
on the rear of the projector.
3. Plug the power cable into a wall power outlet and turn the wall 
switch on.
Please use the original accessories (e.g. power cable) only with the 
device to avoid possible dangers such as electric shock and fire.
Turning the projector on
Follow the steps below
1. Make sure the Power...

22 Using the projector  
EnglishSelecting an input source
The projector can be connected to multiple equipment at the same 
time. When the projector is first turned on, it will attempt to 
reconnect with the input source which was in use when the projector 
was last shut down.
To select the video source:
•  Using the remote control
Press one of the Source keys on the remote control.
•  Using the OSD menu
Press SOURCE and then press  /  until your desired signal is selected 
and press MODE/ENTER.
Once...

  23
  Using the projector
EnglishUsing the menus
The projector is equipped with multilingual On-Screen Display (OSD) menus for making various 
adjustments and settings.
Below is the overview of the OSD menu.
The OSD screenshots below are for reference only, and may differ from the actual design.
To use the OSD menus, please set the OSD menu to your familiar language.
Picture Mode
Reference Mode
Brightness
Contrast
Tint
Sharpness
Rename User Mode
Reset Picture Settings
Picture
3
Video
Cinema
Current...

24 Using the projector  
EnglishSecuring the projector
Using a security cable lock
The projector has to be installed in a safe place to prevent theft. Otherwise, purchase a lock, such as the 
Kensington lock, to secure the projector. You can locate a Kensington lock slot on the projector. See item 
25 on page 9 for details. 
A Kensington security cable lock is usually a combination of key(s) and the lock. Refer to the locks 
documentation for finding out how to use it.
Utilizing the password function
For...

  25
  Using the projector
EnglishIf you forget the password
If the password function is activated, you will be asked to enter the six-digit password every time you 
turn on the projector. If you enter the wrong password, the password error message is displayed lasting 
for three seconds, and the Input Password page follows. You can retry by entering another six-digit 
password, or if you did not record the password in this manual, and you absolutely do not remember it, 
you can use the password recall...

26 Using the projector  
EnglishChanging the password
1. In the System Setup: Advanced > Security Settings menu, press  /  to highlight Change 
Password and press MODE/ENTER. The Change Password page is displayed. 
2. Enter the old password.
•  If the password is correct, the message Input New Password is displayed. 
•  If the password is incorrect, the password error message is displayed lasting for three seconds, 
and the message Input Current Password is displayed for your retry. You can press...

  27
  Using the projector
EnglishAdjusting the projected image
Adjusting the projection angle 
There are two adjuster feet on the bottom of the projector. 
These can be used if necessary to change the projection angle. 
Screw the feet in or out as appropriate to aim and level the 
projection angle.
If the screen and the projector are not perpendicular to each 
other, the projected image becomes vertical trapezoidal. To 
correct this problem, see Correcting picture distortion on 
page 28 for details....

28 Using the projector  
EnglishCorrecting picture distortion
Keystoning occurs when the projector is not perpendicular to the screen and is where the projected 
picture displays visible as a trapezoid shape like either of the following:
•  Two parallel sides (left and right, or top and bottom) but is noticeably wider on either side.
•  No parallel sides.
To correct the picture’s shape, you can perform the following steps.
1. Adjust the projection angle. Move the projector to be in front of the center of...

  29
  Using the projector
EnglishUsing Corner Fit function
Manually adjust four corners of the image by setting the horizontal and vertical values.
1. Press MENU/EXIT and then press  /  until the DISPLAY menu is highlighted.
2. Press   to highlight Corner Fit and press MODE/ENTER. The Corner 
Fit correction page displays.
3. Press  / / /  to select one corner and press MODE/ENTER.
4. Press  /  to adjust horizontal values.
5. Press  /  to adjust vertical values.
6. If optimal effect cannot be achieved,...

30 Using the projector  
EnglishUsing the preset and user modes
Selecting a preset mode
The projector is preset with several pre-defined picture modes so that you can choose one to suit your 
operating environment and input source picture type.
To select a picture mode that suits your need:
• Press MODE/ENTER repeatedly until your desired mode is 
selected.
•  Using the OSD menu
1. Press MENU/EXIT and then press  /  until the Picture menu is 
highlighted.
2. Press   to highlight Picture Mode.
3. Press  /...