Teledyne API Model 200AU NOX Analyzer Instruction Manual, 02293, Rev. F
5-36
Table 5-20: RS-232 Calibration Messages
Message Description
START ZERO CALIBRATION Beginning ZS zero calibration
NOX1=xxxxx PPB2 NO1=xxxxx PPB2 NO21=xxxxx PPB2
FINISH ZERO CALIBRATION
Finished ZS zero calibration
START SPAN CALIBRATION Beginning ZS span calibration
NOX1=xxxxx PPB2 NO1=xxxxx PPB2 NO21=xxxxx PPB2
FINISH SPAN CALIBRATION
Finished ZS span calibration
START MULTI-POINT CALIBRATION Beginning multi-point calibration
NOX1=xxxxx PPB2 NO1=xxxxx PPB2 NO21=xxxxx PPB2
FINISH MULTI-POINT CALIBRATION
Finished multi-point calibration
1Depends on software options installed.
2Depends on which units are currently selected.
5.5.6 DIAGNOSTIC Commands and Messages
When Diagnostic mode is entered from the RS-232 port, the diagnostic mode issues additional
status messages to indicate which diagnostic test is currently selected. Examples of Diagnostic
mode messages are:
D DDD:HH:MM IIII ENTER DIAGNOSTIC MODE
D DDD:HH:MM IIII EXIT DIAGNOSTIC MODE
Example of turning on the Ozone Generator via the RS-232 port:
D ENTER SIG
D OZONE_GEN=ON
D EXIT
The following is a summary of the Diagnostic commands.