Hitachi 50FX19K Operating Manual page 34

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INITIAL
SETUP
I CONVERGENCE ADJUST I
Your projection TV has three color projection tubes: one for red, one for green, one for blue. When mixed together in
the proper proportion, the output of these three color tubes can produce any color. To produce these colors, howev-
er, the beams must be precisely aligned over each other so that the colors can be mixed. The process of aligning
these picture beams is called "convergence".
Over a period of time, the picture tubes can drift out of alignment due to normal bumps and vibrations or moving the
TV. If you move your TV, or if, after a time, you notice color rings or halos around objects in the picture, you may want
to converge (align) the colors.
To simplify convergence, the following feature allows you to display a test pattern of horizontal and vertical lines on the
screen. Properly converged, the lines appear white, which is actually a combination of the outputs of the three color
tubes. The output of the green tube is stationary. The outputs of the red and blue tubes can be adjusted. When prop-
erly aligned, the outputs of all three tubes should be directly over each other to produce the white lines.
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CURSOR
RED
II
CURSOR
" T6
" n_J
CURSOR
BLUE
Press the CURSOR • or • to move the color displayed up or down
Press CURSOR _1or I_ to move the color displayed left or right.
Press MENU to change the color.
Press EXiT to quit menu.
I NOTE:
Please use the EXIT button on your remote to quit this menu. To quit this menu without a remote, turn
the TV off.
34

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