IBM 3270 Manual page 117

Changing the Background Color of a
Window
To begin:
1.
Use the Jump key to choose the window you
want to color.
2. If your work station is not in Control Mode,
press the WSCtrl key.
This line should appear at the bottom of your
screen:
I
WSO.L
3. Press the Background key (PF24).
The line at the bottom of your screen changes
to:
Select the color setting desired by using the color coded keys.
WSCTRL SETUP COLOR BKGND
4. Press the Alt key and one of the Color keys
(PF13 through PF20) to choose the color you
want.
5. If you don't like the color you chose, press
the Alt key and a different PF key.
9-20 Book 3 - Using the Control Program