IBM 3270 Operator's Manual page 92

Attribute Selection Keys
The Attribute Selection keys are divided into three types:
• Highlighting selection keys
• Programmed Symbol Sct Selection keys
• Field Inherit keys
Note: Although some of the Attribute Selection keys indicate that you can
select characters in various colors, there are
110
color choices on the 3278
Display Station. If you attempt to select colors
all
the 3278, the message
X
~ 2% %
will appear in the Operator Information Area.
For the following discussion of the Attribute Selection keys, refer to
Figures 3-28 and 3-29.
Highlighting Selection Keys
Reverse Video Key. To select reverse video highlighting, first press the Shift
key ( 1)- ) and hold it down while pressing the Reverse Video key.
The character entered will be highlighted by reversing the color of the
character and its background. For example, a normal character of green on a
black background will be displayed as a black character on a green background.
The highlighting indicators in the Operator Information Area will show: fi1
Blink Key. To select blink highlighting, first press the Shift key (
il' )
and hold
it down while pressing the Blink key. The character entered will be highlighted
by blinking on and off at the rate of approximately three times per second.
The highlighting indicators in the Operator Information Area will show:
:~:
Underscore Key. To select underscore highlighting, first press the Shift key
( 1} )
and hold it down while pressing the Underscore key. The character
entered will be highlighted by an underscore beneath the character.
The highlighting indicators in the Operator Information Area will show:
.a
Programmed Symbol Set Selection Keys
These keys enable you to select from one of the programmed symbol sets.
Pressing one of these selection keys causes any subsequent data entered from
the keyboard to select a character from the appropriate symbol set.
To use the PSA, PSB, and PSC (upper symbol) keys, first press the Shift key
( .:Q-. )
and hold it down while pressing the appropriate key for the symbol set
required. To use the PSD, PSE, and PSF (lower symbol) keys, first press the
ALT key and hold it down while pressing the appropriate key for the required
symbol set. The symbol set indicator in the Operator Information Area will
be one of the following: PSA, PSB, PSC, PSD, PSE, or PSF.
An
SO indicator
appearing in the Operator Information Area means you did not select one of
the programmed symbol set.
If you have made an invalid symbol set selection, the following message is
displayed in the Operator Information Area: )( -
f
*><
Press the RESET key to restore the keyboard.
Chapter 3. Keyboards 3-47