Dukane 8793h user manual Picture menu, Brightness, Contrast, Gamma

PICTURE menu

PICTURE menu

From the PICTURE menu, items shown in the table below can be performed.

Select an item using the ▲/▼ cursor buttons, and press the ► cursor button or ENTER button to execute the item. Then perform it according to the following table.

Item			Description
BRIGHTNESS	Using the ◄/► buttons adjusts the brightness.
		Dark ó Light
CONTRAST		Using the ◄/► buttons adjusts the contrast.
		Weak ó Strong
		Using the ▲/▼ buttons switches the gamma mode.
		1 DEFAULT  1 CUSTOM  2 DEFAULT  2 CUSTOM  3 DEFAULT
				
		6 CUSTOM		3 CUSTOM
				
		6 DEFAULT  5 CUSTOM	 5 DEFAULT  4 CUSTOM  4 DEFAULT
		To adjust CUSTOM
		Selecting a mode whose name includes 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,
GAMMA		and adjust the level using the ▲/▼ buttons.
		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 ð Gray scale of 9 steps
		Ramp  Gray scale of 15 steps

The eight equalizing bars correspond to eight tone levels of the test pattern (Gray scale of 9 steps) 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.

•Lines or other noise might appear on the screen when this function is operated, but it is not a malfunction.

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