Denso GT10Q-SU User Manual page 84

Communications parameters for USB-COM interface
Communications protocol (USB-COM interface)
Non-acknowledge mode
(default)
Header (USB-COM interface)
None (default)
Terminator (USB-COM interface)
ETX
LF
Transmission of BCC (USB-COM interface)
Disable (default)
75
ACK/NAK mode
STX
CR (default)
CR LF
Enable