8 21 06 8:
M PE G -3 27 0 & 42 9 0 U se r G u id e
© 20 13 Wo hl e r Te c hn ol og i e s , In c . A l l r ig h ts re se rv ed .
27
C h a p t e r 3
Operation
S cr e e n S a v e r
Adjust
button, the first item in the following list appears on the screen
for adjustment. Pressing the
Volume
knob switches to each successive
item:
1.
Backlight
: Rotate the
Volume
knob to adjust the screen
brightness on a scale of 15% to 100%.
2.
Video Blend
: Rotate the
Volume
knob to adjust the transparency
of the on-screen displays and menus on a 30% to 100% scale.
3.
Contrast
: Rotate the
Volume
knob to adjust the video contrast on
a 40% to 100% scale.
4.
Red
: Rotate the
Volume
knob to adjust the red level on a -128 to
127 scale.
5.
Blue
: Rotate the
Volume
knob to adjust the blue level on a -128 to
126 scale.
6.
Saturation
: Rotate the
Volume
knob to adjust the video
saturation on a 0% to 100% scale.
7.
Gamma
: Rotate the
Volume
knob to adjust the video gamma on a
0 to 10 scale. On this scale, 1 implies a 10% application of the
gamma set in the
Video Menu
, while 9 implies a 90% application.
8.
Black Level
: Rotate the
Volume
knob to adjust the black level on
a 0 to 16 scale.
9.
Panel LEDs
: Rotate the
Volume
knob to adjust the brightness of
the panel LEDs on a 0 to 15 scale. This function on each of the
screens works in common on all four of the screens.
Screen Saver
In order to prolong the life of the displays, a Backlight Timeout Interval
is provided. Refer to the
Backlight Interval
item in the
System Menu
on page 42
. The default setting is 8 hours. After 8 hours passes with no
button presses or knob turns, the MPEG-3270 or MPEG-4290 will dim
its screens. Pressing any button or turning any knob will bring the
MPEG-3270 or MPEG-4290 back to normal operation.