For example: If you use French Keyboard, scan command barcode of "French keyboard ".
Keyboard Language
$LAN#EN
*America EN keyboard
$LAN#GE
Germany keyboard
$LAN#PT
Portugal keyboard
$LAN#UK
UK keyboard
$LAN#TK
Turkey Q keyboard
(3)
$LAN#FR
French keyboard
$LAN#IT
Italy keyboard
$LAN#ES
Spain keyboard
$LAN#HU
Hungary keyboard
$LAN#TF
Turkey F keyboard