ABB ACF5000 Manual page 99

AAC cycle "complete" or "complete & reference"
ACF5000 FTIR ANALYZER SYSTEM
Display
Operation
START AAC Start complete AAC.
STOP Abort the running AAC. The analyzer system is purged
with sample gas and returns to measuring mode. No
set values and actual values for the FTIR span values
are output. The AAC cannot be aborted during auto-
matic reference recording.
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