Datalogic Gryphon L GD4300 - Display and Battery; Battery Safety Warnings; Programming the Reader

Programming Barcodes
12 Gryphon™ L GD4300
RS-232 Interface
To use an RS-232 interface, scan the barcode for the desired
RS-232 host type.
Select RS-232 Standard
Select RS-232 Wincor Nixdorf
Select RS-232 OPOS (for use with OPOS/UPOS/JavaPOS)
IBM Interface
Select IBM Port 5B
Select IBM Port 9B