BenQ Sp830/sp831 Digital Projector User Manual

Operation 41
Magnifying and Searching for details on the
 projected picture
If you need to find the details on the projected picture, magnify the picture. The picture can 
be enlarged up to 300% than the original picture size with 50% increments. Use the 
direction arrow keys for navigating the picture.
• Using the remote control
1. Press D.  ZO O M  +  to display the Zoom bar. The 
center of the picture will be magnified when the 
key is pressed again. Press the key repeatedly 
until the picture size is...

42 Operation
Selecting a picture 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.
The picture modes available for different types of signals are listed below.
1.Dynamic mode: Maximizes the brightness of the projected picture. This mode is 
suitable for environments where extra-high brightness is required, such as using the 
projector in well lit rooms.
2.Cinema mode: Is suitable for enjoying...

Operation 43
Fine-tuning the selected picture mode
The pre-defined picture mode settings can be altered via the available items shown in the 
Picture -- Basic and Picture -- Advanced menus. 
To fine-tune the picture mode:
1. Press MENU and then press  /  until the Picture -- Basic or Picture -- Advanced 
menu is highlighted.
2. Press   to highlight the item you want to adjust (from among Brightness, Contrast, 
Color, Tint, Sharpness, Color Temperature, Clarity Control, Gamma Selection, Color 
Management)...

44 Operation
Renaming user modes
Yo u  c a n  c h a n g e  User 1, User 2, and User 3 to the names easy to be identified or understood 
by the users of this projector. The new name can be up to 12 characters including English 
letters (A-Z, a-z), digits (0-9), and space (_).
To  r e n a m e  u s e r  m o d e s :
1. In the Picture -- Basic menu, highlight Rename User Mode and press ENTER to 
display the Rename User Mode page.
2. Press  /  to highlight the item you want to rename and press ENTER. The first...

Operation 45
Fine-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 -- Basic menu and 
adjust the values by pressing  /  on the projector or 
remote control.
The higher the value, the brighter the picture. And 
lower the setting, darker the picture. Adjust...

46 Operation
Advanced 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 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 (white); 
however, in...

Operation 47
Selecting a color temperature*
Highlight Color Temperature and select a preferred 
setting by pressing  /   on the projector or remote 
control.
There are several color temperature settings available.
1.Lamp Native: With the lamp’s original color 
temperature and higher brightness. This setting is 
suitable for environments where high brightness 
is required, such as projecting pictures in well lit 
rooms.
2.Wa r m : Makes pictures appear reddish white.
3.Normal: Maintains normal colorings...

48 Operation
Color Management
The Color Management provides six sets (RGBCMY) of colors to be adjusted to favorite 
colors. When you select each color, you can independently adjust its color range and 
saturation according to your preference.
To adjust and store the settings:
1. In the Picture -- Advanced menu, highlight Color 
Management and press ENTER. The Color 
Management page displays.
2. Highlight Primary Color and press  /  to 
select a color from among Red, Yellow, Green, 
Cyan, Blue, and...

Operation 49
Selecting 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. The lower the figure, the more 
black detail is visible.
• Gamma 1, and 6
Increases the average brightness of the picture.
Best for a lit environment, meeting room or 
family room
•Gamma 2
Simulates the PC display standard.
•Gamma 3
Best for leveraging blackboards (or...

50 Operation
Operating in a high altitude environment
We recommend you activate High Altitude Mode when your environment is higher than 
1500 meters (around 4920 feet) above sea level, or whenever the projector will be used for 
extended periods of time (>10 hours) without shutdown.
To  a c t i v a t e  High Altitude Mode:
1. Press MENU and then press  /  until the 
Advanced Setup menu is highlighted.
2. Press   to highlight High Altitude Mode.
3. Press  /  to select On. A confirmation 
message...