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Model 400E Ozone Analyzer
Instruction Manual
Operating Instructions
P/N 04316 Rev: B
135
6.10.1.
Obtaining Help
Table 6-18: Terminal Mode Help Commands
Command
Function
? [ID] CR
This command prints a complete list of available commands along
with the definitions of their functionality to the display device of the
terminal, computer being used.
Control-C
Pauses the listing of commands.
Control-P
Restarts the listing of commands.
6.10.2.
Command Line Interface
Commands are not case-sensitive and you must separate all arguments of a
command (i.e. keywords, data values, etc.) with a space character.
All Commands follow the syntax: X [ID] COMMAND <CR>
WHERE:
X
à
Command Type Designator: A one letter designator that defines what type of
command is being issued. Legal designators are:
Table 6-19: COM Port Command Designations
Designator
Command Type
C
Calibration
D
Diagnostic
L
Logon
T
Test measurement
V
Variable
W
Warning
[ID]
à
Multidrop Address Designator: in Multidrop applications, the ID number of
the instrument to which the command is being sent is inserted here.
For instance the Command “? 50” followed by a carriage return would print the
list of available commands for the revision of software currently installed in the
instrument assigned ID Number 50.
COMMAND
à
Command Designator: This string is the name of the command being
issued (LIST, ABORT, NAME, EXIT, etc.). Some commands may have additional
arguments that define how the command is to be executed.
<CR>
à
Carriage Return: All commands must be terminated by a carriage return.