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T400 Calibration Procedures T400 Ozone Analyzer Operator’s Manual
200
To activate the dark calibration feature, press:
SETUP X.X PRIMARY SETUP MENU
CFG DAS RNGE PASS CLK MORE EXIT
SAMPLE RANGE=500.0 PPB O3= XXXX
<TST TST> CAL SETUP
SETUP X.X SECONDARY SETUP MENU
COMM VARS DIAG EXIT
SETUP X.X ENTER PASSWORD:818
8 1 8 ENTREXIT
DIAG SIGNAL I/O
NEXT ENTR EXIT
Press NEXT until ...
The DARK CAL procedure progresses automatically
until ...
SETUP X.X DARK CAL 34% COMPLETE
SETUP X.X CALIBRATING DARK OFFSET
SETUP X.X DARK CALIBRATION
PREV NEXT ENTR EXIT
DARK CAL
Successful?
Yes
No
SETUP X.X INVALID DARK CAL OFFS=XXXX.X MV
EXIT
06870C DCN6332