You can use a compose sequence to map any Unicode character to an X Keysym. For example, suppose that your X client requires the pi symbol (π) that you don't have on your keyboard. You can map one of your function keys (such as F11) to send it.
To map the unshifted F11 to send the pi (π) X Keysym
In X Manager or X Manager for Domains on a Windows machine, click> .
For, select an editable keyboard map.
NOTE:The default keyboard maps are not editable. Clickto create a new custom keyboard map based on an existing keyboard map.
Use thetab (displayed by default).
In the list ofon the left side of the tab, under , select F11. (As an alternative, you can click the sign in to open the dialog box. With your cursor in the field, press , then click .)
With the F11 key selected, click the firstbutton (next to the key description).
In the, specify the pi symbol. Although this is not a physical key on your keyboard, you can use a compose key sequence to specify it.
To locate the correct X Keysym using a compose sequence:
Position your cursor in thefield.
Hold down the Alt key, then enter 227 on the numeric keypad. (This is the Windows value for composing pi; other platforms have similar compose key options.) Release the Alt key, and the X Keysym name is displayed.
Thetab now shows that the F11 key is mapped to the Greek_pi.
When you explicitly map a key as described here, you do not need to add it to the list of supported characters on thetab.
Reflection X domain administrators can also configurefrom the tab.