BenQ Projector SU931 User Manual

  31
  Using the projector
EnglishFine-tuning the selected picture mode
The pre-defined picture mode settings can be altered via the available items shown in the Picture menu.
To fine-tune the picture mode:
1. Press MENU/EXIT and then press  /  until the Picture menu is highlighted.
2. Press   to highlight the item you want to adjust and press  /  to set your desired value. Your 
selection is automatically stored in the projector and associated with that input source.
See Fine-tuning the picture quality...

32 Using the projector  
EnglishSetting the User 1/User 2 mode
There are two user-definable modes if the current available picture modes are not suitable for your need. 
You can use one of the picture modes (except the selected User mode) as a starting point and customize 
the settings.
1. In the Picture menu, highlight Picture Mode and press  /  to select User 1 or User 2 mode.
2. Press  to highlight Reference Mode.
This function is only available when User 1 or User 2 mode is selected up in the Picture...

  33
  Using the projector
EnglishFine-tuning the picture quality
No matter what picture mode you have selected, you are able to fine-tune those settings to fit every 
presentation purpose. Those adjustments will be saved to the preset mode you are at when you exit the 
OSD menu.
Adjusting Brightness
Highlight Brightness in the Picture menu and adjust the 
values by pressing  /  on the projector or remote 
control.
The higher the value, the brighter the picture. And the 
lower the setting, the darker the...

34 Using the projector  
EnglishAdvanced picture quality controls
There are more advanced functions in the Picture > Advanced... menu to be adjusted to your 
preference. To save the settings, just press MENU/EXIT to leave the OSD menu.
Setting Black Level
Highlight Black Level and press  /  on the projector or remote control to select 0 IRE or 7.5 IRE.
The grayscale video signal is measured in IRE units. In some areas which use NTSC TV standard, the 
grayscale is measured from 7.5 IRE (black) to 100 IRE...

  35
  Using the projector
EnglishSetting a preferred color temperature
To set a preferred color temperature:
1. Highlight Color Temperature and select Cool, Normal, Wa r m or Lamp Native by pressing 
/  on the projector or remote control.
2. Press  to highlight Color Temperature Fine Tuning and press MODE/ENTER. The Color 
Temperature Fine Tuning page is displayed.
3. Press  /  to highlight the item you want to change and adjust the values by pressing  / .
• Red Gain/Green Gain/Blue Gain: Adjusts the...

36 Using the projector  
EnglishSelecting a Gamma setting
Highlight Gamma Selection and select a preferred setting by pressing  /  on the projector or 
remote control.
Gamma refers to the relationship between input source and picture brightness.
• Gamma 1.6/1.8/2.0/BenQ
Select these values according to your preference.
• Gamma 2.2
Increases the average brightness of the picture. Best for a lit environment, meeting room or family 
room.
• Gamma 2.4/2.5/2.6
Best for viewing movies in a darkened...

  37
  Using the projector
EnglishSelecting the aspect ratio
The aspect ratio is the ratio of the image width to the image height. The default for this projector is 
16:10 while digital TV and Blu-ray discs are usually in 16:9 ratio, and most analog TV signals and DVDs are 
in 4:3 ratio.
With the advent of digital signal processing, digital display devices like this projector can dynamically 
stretch and scale the image output to a different aspect than that of the image input source. Images can 
be...

38 Using the projector  
EnglishAbout the aspect ratio
1.Auto: Scales a picture proportionally to fit the 
projectors native resolution in its horizontal or vertical 
width. This makes the most use of the screen and 
maintains the aspect ratio of a picture
 when projecting 
images that are neither 4:3 nor 16:10 ratio. 
2.4:3: Scales a picture so that it is displayed in the 
center of the screen with a 4:3 aspect ratio. This is 
most suitable for 4:3 pictures like computer monitors, 
standard definition...

  39
  Using the projector
EnglishSetting a wall color
In the situation where you are projecting onto a colored surface such as a painted wall which may not be 
white, the Wall Color feature can help correct the projected picture’s color to prevent possible color 
difference between the source and projected pictures. There are several precalibrated colors to choose 
from: Light Yellow, Pink, Light Green, Blue, and Blackboard.
To select wall color:
1. Press MENU/EXIT and then press  /  until the Display...

40 Using the projector  
EnglishAdjusting the sound
The sound adjustments made (such as functions shown below) will have an effect on the projector 
speaker(s). Be sure you have made a correct connection to the projector audio input. See Connecting to 
video equipment on page 17 for how the audio input is connected.
•  Each time when you select a different source, the projector also changes the sound settings to which was 
last set for that particular source. 
•  Sound adjustments cannot be made during...