User`s manual

Chapter 4 Communications Control
4-7
4
(3) Abnormal sequence to transmit/receive data
The following data transmitting/receiving sequence will be used if request
communication data transmitted from the external host device to the HL-G1 is
abnormal (with data range error or garbled characters).
External host deviceHL-G1
S
R
A
bnormal response communication data R
S
Request communication data (data settings, operation instruction, setting data read)