The following host keys are supported for TN3270 terminal emulation.
Alt Cursor
The Alternate Cursor key toggles the cursor type. There are two cursor
types: block and underline.
Attention
Sends a Signal command to the mainframe computer. The Attention key is
used as a break key to interrupt the mainframe’s execution of the current
program. Also, some session manager programs use this key to switch between
sessions.
Backspace
Normally, this key moves the cursor one character to the left and deletes
the current character. However, this key can be configured to perform
other similar backspace operations using the Options>TN3270 menu command.
Back Tab
Moves the cursor back to the first character in an input field or the first
character of the previous input field.
Change Format
Toggles the entry assist format screen on and off. While on, allows formatting
of tabs and margins. Entry assist must be enabled to use this function.
Clear
Erases the display and signals the host system that a clear action occurred.
Color xxxx
Changes the text to the selected color.
Color Inherit
Resets the color to the application's default color.
Cursor Blink
The cursor is toggled from blinking to non-blinking or from non-blinking
to blinking.
Cursor Down
Advances the cursor position down one line on the screen.
Cursor Down 2
Advances the cursor position down two lines on the screen.
Cursor Left
Advances the cursor left one position on the screen.
Cursor Left 2
Advances the cursor left two positions on the screen.
Cursor Right
Advances the cursor right one position on the screen.
Cursor Right 2
Advances the cursor right two positions on the screen.
Cursor Ruler
The Cursor Ruler key toggles the cursor ruler (cross-hairs) on and off.
Cursor Select
Indicates that a cursor select action has taken place in the chosen field.
The '?' character changes to the '>' character. This key is used in
light pen emulation.
Cursor Up
Advances the cursor up one line on the screen.
Cursor
Up 2
Advances the cursor up two lines on the screen.
Delete
Deletes the character at the cursor position. All characters on the right
of that position are shifted one space to the left.
Dup
Displays the Dup character or an asterisk (*) and the cursor advances to
the first character location of the next input field. Dup then provides
you with the ability to quickly fill in the information that is the same
for every document, such as the date.
End of Field
Moves the cursor to the right of the last character in the same unprotected
field.
End of Line
Moves the cursor position to the end of the line on the display.
Enter
Enter key for the host computer. Transmits information to the host.
Entry Assist
Toggles entry assist mode on and off.
Erase EOF
Erases the input field from the cursor to the end of the field. The cursor
does not move.
Erase Input
Erases all input fields and moves the cursor to the first input character
position on the screen.
Highlight Blink
Changes the highlight attribute to blink.
Highlight Inherit
Resets the highlight attribute to the application's default.
Highlight Reverse
Changes the highlight attribute to reverse video.
Highlight Underscore
Changes the highlight attribute to underscore.
Home
Moves the cursor to the first character of the first input field on the
screen.
Insert
Toggles between insert mode and normal text input mode.
Jump Next
Changes focus to the next available window.
Jump Next Active
Changes focus to the next active window.
Jump Previous
Changes focus to the previous window.
Jump Prev Active
Changes focus to the previous active window.
Jump A - Z
Changes focus to the specified window.
Mark
Displays the field mark character or a semicolon. This key is used when
operating with an unformatted display to indicate the end of a field to
the program.
Move Select Left
Moves the selected area (for Cut or Copy) left.
Move Select Right
Moves the selected area (for Cut or Copy) right.
Move Select Up
Moves the selected area (for Cut or Copy) Up.
Move Select Down
Moves the selected area (for Cut or Copy) Down.
New Line
Advances the cursor position to the first input field on the next line.
PA1 - PA3
Program Attention keys.
PF1 - PF24
Program Function keys.
Reset
Recovers from Do Not Enter conditions. This restores the keyboard and turns
off the Do Not Enter symbol for all conditions except for Wait. RESET
also ends Insert Mode.
Select Down
Extends or contracts the selection down a row at a time, depending upon
which side of the selection bounding box is “anchored.”
Select Left
Extends or contracts the selection to the left a column at a time, depending
upon which side of the selection bounding box is “anchored.”
Select Right
Extends or contracts the selection to the right a column at a time, depending
upon which side of the selection bounding box is “anchored.”
Select Up
Extends or contracts the selection upwards a row at a time, depending upon
which side of the selection bounding box is “anchored.”
System Request
This key switches your program from a LU-LU
session to a SSCP-LU session.
Tab
Moves the cursor to the first character of the next input field.
Word Delete
Deletes the word the cursor is positioned on if the word is in an unprotected
field.
Word Left
Moves the cursor to the first character of the next word in the field.
Word Left Unp Field
Moves the cursor to the first character of the next word in the unprotected
field.
Word Right
Moves the cursor to the first character of the current word or previous
word, depending on the location of the cursor.
Word Right Unp Field
Moves the cursor to the first character of the current word or previous
word, depending on the location of the cursor in the unprotected field.
Word Select
Selects the word the cursor is currently positioned on.
Word Wrap
Toggles Word Wrap on or off. Entry Assist must be enabled to use this feature.