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GETIING ACQUAINTED
When you started this exercise the box on the screen was blue
(hue
0°
,
lightness
50%
,
and saturation 100%). Change the box to brown by changing Index 4 to HLS
values of
150,30,
100:
Use F1 to set the hue to 152° on the 4109
,
or 150° on the
4106/4107.
Use F2 to change the lightness to 32% on the 4109
,
or 30% on the
4106/4107.
Leave the saturation at
100%.
You have just changed the color definition of Index 4 in the graphics area to brown,
so the terminal screen should now look like Figure 2-10.
Figure
2-10.
Display With Modified Color.
At this point you have several options. Among them, you could
:
•
Without moving the
crosshairs,
press F4 to restore the original
color.
•
Move the crosshairs to another color and modify it by changing the HLS values,
or using the color menu (key F5)
.
•
Press the Menu key to exit from the Set Color function
,
which saves any colors
you changed
.
For these exercises, use the third option
:
Press the key labeled Menu at the top of the keyboard
.
This causes the terminal to exit from the Set Color function and save brown (HLS
150,30, 100) as the color definition assigned to Index
4.
Now, whenever you specify
Index 4, it will be brown. (Color definitions are saved until you turn off the terminal
or modify the colors again.)
2-26
4106/4107/4109
OPERATORS
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