Optoma Home Theatre Projector - Manual (Page 40)

User Controls
38
Advanced Adjustments
Image/Advanced
The HD81-LV is a power image enhancement tool. Many advanced
adjustment functions are included, such as noise reduction, gamma
curves, and color temperature. These functions will help the user
achieve the best image possible.
For more details, please see the sections associated with each item.
To access the Advanced Adjustments:
1) Press the “Menu” button on the remote.
2) Use “ ”, “ ” to highlight the IMAGE category, then press
“Enter” or “ ” enter this adjustment category. Use “ ”,
“ ” to select the “Advanced” adjustment item.
3) Press “Enter” or “ ” to select this item. A menu which
contains advanced adjustment items will appear.
Noise Reduction
The HD81-LV allows for 11 levels of noise reduction, ranging from
0 to 10.
1) Enter the Advanced menu as detailed in the previous
section.
2) Use “ ”, “ ” to highlight the “Noise Reduction”
adjustment item, press “Enter” or “ ” to select. The OSD
disappears and a small adjustment bar is shown.
3) Use “ ”, “ ” to select the preferred noise reduction setting.
The value ranges from 0 to 10. A value of 0 means the noise
reduction function is off.
Gamma
HD81-LV comes with 10 preset gamma curves. After the initial setup
and fi ne tuning is completed, utilize the Gamma Adjustment steps to
optimize your image output.
1) Enter the Advanced menu as detailed in the previous
section.
2) Use “ ”, “ ” to highlight the “Gamma” adjustment item,
press “Enter” or “ ” to select. The OSD disappears and a
small adjustment bar is shown.
3) Use “ ”, “ ” to select the preferred gamma value. The
value ranges from -5 to 5. A value of 0 equates to a linear
gamma curve.