9/12/00 B-5
Commands
The commands are a series of ASCII characters with an
alpha command and one or two numeric operands followed
by a carriage return, ASCII 13. The commands may be
spelled out though only the first character is significant. i.e.
READ 123 may be abbreviated to R123. Every command
has a response to acknowledge that it was received correctly
and to provide data requested. For high reliability systems
there is an error-checking protocol that will ensure proper
command data transferal. See “Error Checking Protocol”.
Commands will be discussed according to the following list:
Commands Symbol
Mode Commands M
Read Commands R
Settings Commands S
History Oriented Commands E, I, D, L, C, H, T
Print Commands P
Error Messages & Warnings Commands
Modem Control Commands
Miscellaneous Commands (unsupported )
Key Simulation Commands K
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