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M400E Ozone Analyzer Operator’s Manual Advanced FEATURES of the M400E analyzer
7.1.5.8. Enabling / Disabling the HOLDOFF Feature
The iDAS HOLDOFF feature prevents data collection during calibration operations.
To enable or disable the
HOLDOFF, follow the instruction shown in Section 7.1.5 then press:
Starting at the EDIT CHANNEL MENU
SETUP X.X 0) CONC: ATIMER 1, 800
PREV NEXT INS DEL EDIT PRNT EXIT
SETUP X.X NAME: CONC
<SET SET> EDIT PRNT EXIT
Continue pressing <SET or SET> until ...
SETUP X.X CAL.HOLD OFF: OFF
<SET SET> EDIT PRNT EXIT
Use the PREV and
NEXT keys to scroll to
the DATA CHANNEL
to be edited
SETUP X.X CAL.HOLD OFF: OFF
OFF ENTR EXIT
EXIT discards the new
setting
ENTR accepts the
new setting
Toggle these keys to
turn the HOLDOFF
feature ON/OFF
HOLDOFF also prevents iDAS measurements from being made at certain times when the quality of the
analyzer’s O
3
measurements may be suspect (e.g. while the instrument is warming up). In this case, the length
of time that the
HOLDOFF feature is active is determined by the value of the internal variable (VARS),
DAS_HOLDOFF.
To set the length of the
DAS_HOLDOFF period, see Section 7.2.
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