Yamaha CL3 Service Manual page 172

CL3/CL1
■ COLOR BAR AND CH NAME LCD CALIBRATION
While holding down the [STORE] key, turn on the power
switch, and the [Special Mode Screen] will appear, where
INITIALIZE, TRIM, CALIBRATION, etc. are executed.
Among MODE SELECT buttons, touch [CHANNEL
COLOR CALIBRATION] and the CHANNEL COLOR
CALIBRATION window appears. From hear, adjust the color
bar and CH NAME LCD backlight according to the following
procedure.
1) Select the color to be adjusted from CH COLORs and
touch it, and the color of the color bar of the main unit
changes accordingly.
2) If there is a channel where color variation is found, press
the [SEL] key to select the channel to be changed.
3) Using encoders of CentralLogic 6ch to 8ch, adjust RGB
ADJUSTMENT values by each channel. Colors are in the
order of red, green and blue from the left.
Red
4) Color adjustment should be done over all the colors until
extreme differences in the color and brightness are not
found.
5) As the final step, press the [APPLY] key to store the
adjusted values.
172
Green Blue
The color bar calibration should be followed by the CH NAME
LCD Backlight calibration.
1) Using the [CUE] and [ON] keys, adjust the luminance of
each channel.
Check visually the luminance of all channels and adjust
the extremely brighter or darker one to the luminance of
the adjacent channels.
Every time the [CUE] key is pressed, luminance will be 1
step higher and every time the [ON] key is pressed, it will
be 1 step lower.
After the LED luminance calibration, the luminance
becomes at the center 6 among 1 to 11 steps in the
adjustable range.
2) When a change has been made, touch the [APPLY]
button on the screen to store the adjusted values.