This option enables you to have more than one Braille keyboard layout on the same hardware. This could come in handy if a single keyboard were being shared by several Braille users who preferred different positions.

Use the "M" option in the Braille input specification to enable this feature. It is off by default, but you can use lowercase "m" to explicitly turn it off if required.

For example, consider the settings string:

"K524645445753554A494B4F4C D+BM,".

The "K" general setup directive is used to map "r" to "f", "e" to "d", "w" to "s", "u" to "j", "i" to "k", and "o" to "l". The driver configuration directive enables the Braille keyboard with multiplicity turned on. There is no explicit dots definition, so this setting enables "fdsjkl" as the standard six dots layout. The "K" mapping means that Braille input is also available using "rewuio".

The multiple Braille keyboards and individual key mapping facilities are mutually exclusive. If you enable multiple Braille keyboards, you can have the rest of the keyboard enabled or certain keys enabled by mapping them onto themselves, but you cannot map individual keys onto other keys, they will be ignored unless they are included in the Braille dots layout.

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Multiple Braille Keyboards