System i (iSeries) Terminal Keyboard Mapping

If you have installed Client Access at home, make sure you read carefully all of the Installing CA/400 tutorial.


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The System i, like every other computer system, began with its own fixed function terminal with a typewriter keyboard and some special keys. IBM calls the System i terminal a "5250" type. When using a PC for System i terminal emulation, certain keys on the PC keyboard are remapped to a 5250 terminal key function.

These versions of the CA/400 and Mocha keyboard maps have been changed to the Windoze standards for cut/copy/paste on the left_Ctrl-X/C/V and Ins/Del keys and for selecting text (shift-arrow left/right/up/down). Only CA/400 supports undo (left_Ctrl-Z) and next word (left_Ctrl-arrow left/right). Only Mocha supports pasting text with the keyboard in insert mode.

The mouse can be used to click and drag an area of text to be cut or copied to the clipboard. Double clicking on an unused area of the screen is the same as pressing Enter. Click on the "Fn" text to 'press' that function key. Only Mocha supports the mouse wheel for Paging Up/Down.

System i to PC Keyboard Layout
System i Function CA/400
mapping
Mocha
mapping
System Request (to cancel a long running or infinite loop program, use option 2) shift Esc SysReq button or Scroll Lock key
Next input field Tab
Previous input field
(or begining of current field)
shift-Tab or Home
Enter: input this screen
Double clicking on an empty area of the screen is the same as pressing Enter.
Return (Enter) or
NumPad Enter
Reset keyboard errors
(X –» screen locked)
Esc or
left Ctrl
New Line
(very useful in SEU)
right-Ctrl or shift-Return or Ctrl-Return
cross-hair cursor
(very useful in SEU)
ctrl Home Settings / Cursor / check box
Help (cursor sensitive and always useful) F1
F13 - F24 function keys
Double clicking the mouse on any Fnn shown on the screen is the same as pressing the Fnn function key.
shift F1 - F12
Roll screen to next page of data
(More... or "+" at bottom of screen)
[ make sure Scroll Lock is OFF ]
Page Down
Roll screen to previous page of data
(Bottom or More... or "+" at bottom of screen)
[ make sure Scroll Lock is OFF ]
Page Up
Field Exit or Field +
blanks out field from cursor position
and enters positive numbers
NumPad +
Field – to enter negative numbers NumPad –
Insert text at cursor (toggles function between overstrike and insert modes) Insert
Delete text at cursor Delete
move cursor to begining of current field Home
move cursor to end of text in current field End
move cursor to previous input capable position without deleting a character Backspace
move cursor to first input capable position on the screen shift Home  
Fast cursor left/right (3 characters at a time)
[ make sure Scroll Lock is OFF ]
alt arrow  
Print Screen to System i spooled file Ctrl-P or Ctrl-Pause
Print Screen on local printer use menu or toolbar function
Copy Screen image to Windoze clipboard
(Resist doing this! It creates a large graphics image... for email, copy and paste the text only )
Print Scrn
[please do not use this key]
System Request (to cancel a long running or infinite loop program, use option 2) shift Esc SysReq button or Scroll Lock key
System i Function CA/400
mapping
Mocha
mapping