Selected Device Type 

&DEVICE&

The &DEVICE& symbol is used to print the type of the output device. This type is passed in the DEVICE parameter when the SAPscript output (OPEN_FORM, PRINT_TEXT) is started, and it specifies the device for which the output should be formatted.

Possible values are:

PRINTER
SCREEN
TELEX
TELEFAX
ABAP (ABAP list display)