Worth Data 5202D - Manual (Page 58)

Diagnostics
Start Setup End Setup
,ZZ, ,ZZ,
Diagnostic Codes:
Diagnostics
Transmit software version
,Z1,
Transmit settings
,Z3,
Transmit only changes from default
,EAR,
Transmit ASCII printable string
,ZA,
Transmit ASCII control string
,YV,
Reset to default (RS-232)
,U2,
Reset to default (USB-HID)
,SU,
A-52