50
⑨
If the gas calibration fails, the message [FAIL] is indicated on each concerned window.
Press the ENTER key. NGA 6000 will perform the [Zero calibration] and will return to
the standby mode.
CO
HC
%
ppm
CO
2
O
2
%
%
Lambda
AFR
NO
X
(It is succeeded in HC and CO2 calibration but failed in CO, O2 calibration.)
* If the [FAIL] is displayed, return to the standby mode and press the PURGE key to
clean the sample-cell with a clean air for two or three minutes. Then perform the gas
calibration
again.