Yokogawa GD40 Gas Density Detector - Manual (Page 166)

<9. CALORIE / CALIBRATION PROCEDURE>
9-7
IM 11T3E1-01E
9.3.3 Automatic Calibration
This mode of calibration takes effect when you select “enable” for automatic calibration in CODE
13 - [*AUTO.C] - at the service level. Even during automatic calibration, you can interrupt the
system with the semi-automatic or manual mode of calibration. One cycle of automatic calibration
is skipped, however, if the time of automatic calibration arrives when semi-automatic calibration is
in progress.
*1 : Pressing the [MODE] key, change it to display [WAIT] indication.
*2 : Pressing the [MODE] key, once again returns it measuring mode.
X.XXXX
ZERO
X.XXXX
SPAN
X.XXXX
WAIT
* 1
* 1
* 2
F0906.ai
Measurement mode
Measurement mode
Figure 9.5 Automatic Calibration Mode