VIEWSONIC PJ452 - Manual (Page 31)

ViewSonic PJ452 27
PICTURE menu
With the PICTURE menu, items shown in the table below
can be performed.
Choose an item using the cursor buttons ▲/▼ on the
projector or remote control, and press the cursor button ►
on the projector or remote control, or the ENTER button on
the remote control to progress. Then perform it referring to
the following table.
Item Description
BRIGHT Using the buttons ▲/▼ adjusts the brightness.
Light ↔ Dark
CONTRAST Using the buttons ▲/▼ adjusts the contrast.
Strong ↔ Weak
Using the buttons ▲/▼ switches the GAMMA
mode.
#1 DEFAULT #1 CUSTOM #2 DEFAULT
#3 CUSTOM #3 DEFAULT #2 CUSTOM
To adjust #1 CUSTOM, #2 CUSTOM or #3 CUSTOM
GAMMA
Selecting a mode of CUSTOM and then
pressing the button ► or the ENTER
button displays a dialog to aid you in
adjusting the mode.
This function is useful when you want to
change the brightness of particular tones.
Choose an item using the buttons ◄/►,
and adjust the level using the buttons
▲/▼.
Using a test pattern
You can display a test pattern for checking the effect of your
adjustment by pressing the ENTER button. Each time you press the
ENTER button, the pattern changes as below.
No pattern Gray scale of 9 steps
Ramp  Gray scale of 15 steps
Eight of equalizing bars corresponds to eight of tone level of test
pattern except the darkest in the left end. If you want to adjust the
2nd tone from left end on the test pattern, use the equalizing
adjustment bar “1”. The darkest tone at the left end of the test pattern
cannot be controlled with any of equalizing adjustment bar.