Honeywell GNS-XL - Manual (Page 325)

TWX 1 Send Terminal Weather to printer one.
TWX 2 Send Terminal Weather to printer two.
TWX 3 Send Terminal Weather to both printers.
3. Press ENTER until the SEND MESSAGE? prompt is displayed.
Press ENTER again to initiate printing to the specified printer.
7-59 GNS-X L Flight Management System AFIS Operation
Rev. 3
Oct/02