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3 DTR protocol
(a) Conditions for making DTR signal Ready (High)
The following must be required:
・
Printer is on line.
・
Receive buffer has more than 1K bytes available.
Note:
When receive buffer has less than 128 bytes available,
DTR signal becomes “Busy (Low)” level and this “Busy (Low)
level is kept until receive buffer has at least 1 K bytes
available.
(b) Conditions for making DTR signal BUSY (Low)
・
Printer is in error.
・
Receive buffer has less than 128 bytes available.
Содержание 7206 Series
Страница 1: ...Programmer s Manual DMX Emulation for 7106 7206 and 7010 Series ...
Страница 93: ...1 91 Chapter 2 Fonts and Bar Codes 2 1 Description of Fonts 2 2 2 2 Description of Bar Codes 2 8 ...
Страница 131: ...1 129 100 100 100 100 101 98 100 105 102 96 103 10A 103 94 103 10F Fig 1 Fig 2 Fig 3 Fig 4 ...
Страница 133: ...1 131 Chapter 5 Interface Functions 5 1 RS 232C Serial Interface 5 2 5 2 Parallel Interface 5 6 ...