This USB keyboard can be used either on a recorder directly via USB or in the SAFIRE CONTROL CENTER PC software.
As a requirement, the following option must be activated in the SAFIRE CONTROL CENTER
You can also configure the buttons on the keypad from 1 to 15:
Attached is the manual: https://athena-visiotech.s3-eu-west-1.amazonaws.com/s_fGfmcBG_5ed8vE5TkG/Safire_SF-KB1005-USB_manual_en.pdf