PSC Scanners - Manual (Page 24)

18 User’s / Programming Guide
Another flow control option is available. If enabled, the stop/go pro-
tocol disables the trigger after every successful scan. The trigger is
then re-enabled with a serial ‘BG’ command in format
<STX><ESC>BG<ETX>.
BS Disable Stop/Go Protocol*
BT Enable Stop/Go Protocol
HD Protocol = CTS (+)
HG RTS always low
HH RTS always high
HI
RTS high indicates scanner ready
to receive data
HJ
RTS low indicates scanner has data
to transmit
HK
RTS high indicates scanner has
data to transmit