Epson GT-6500 EN - Manual (Page 98)

Format of the Command Reference
The command explanations in this chapter are each divided into six
parts. The command explanations are given in the sequence indicated
in the command summary table on the preceding page. (For
recommendations on how to use the commands, see Chapter 2.)
Command title
Indicates the name and function of the command
Command format
Shows the structure of the command and any associated parameters
Command: Shows the command code sequence in ASCII, decimal,
and hexadecimal formats
Parameter: Lists parameters, if applicable
Some commands require parameters to be sent after the command has
been accepted by the scanner. Commands and parameters are listed
separately if the handshaking method requires they be sent separately.
Parameters denoted by n are two-byte parameters (ranging from 0 to
65,535 decimal), with the lower byte preceding the higher byte.
Where necessary, the lower byte is denoted by L and higher byte by H.
Parameters denoted by i are one-byte parameters (ranging from 0 to
255 decimal).
Parameters denoted by d are signed one-byte parameters (ranging
from -127 to 127 decimal).
3-4 Command Reference