Yokogawa GC8000 Process Gas Chromatograph - Manual (Page 173)

<3. Basic Operation and Startup>
3-22
IM 11B08A01-01E
NOTE
• Even if the set item of the calibration/validation method has been set to Auto, it changes to
Manual since turning Off/On the power of the main body requires the setting of automatic
start time again.
When confi rming the set value of the item, set the set item of the calibration/validation
method to Auto, and reenter start time.
• When a set value has been changed, load the initial database again to make the set
information of GC-HMI agree with that of GC8000.
 Procedure to make the set information of GC-HMI agree with that of GC8000
The procedure to make the set information of GC-HMI agree with that of GC8000 is as follows:
(1) Change the user level.
(2) Press
the (OPR) in the navigation bar on the analyzer operation screen.
(3) Open the GCM tab.
(4) Set the operation mode to Manual.
(5) Press the in the navigation bar on the analyzer operation screen.
(6) Press the Initial DB reload of GC8000 and the message “Do you execute the Initial DB
reload?” appears on the screen, and then press Yes.
(3) On/Off operation of the hydrogen limiting unit
The procedure to supply hydrogen gas into the isothermal oven is as follows:
 Turning on the hydrogen limiting unit
(1) Change the user level.
(2) Press
the (OPR) in the navigation bar on the analyzer operation screen.
(3) Open the GCM tab.
(4) Set the operation mode to Manual.
(5) Press GCM DET Control in the GCM tab.
(6) Press ON/OFF under HL* and the message “Turn on” appears on the screen, and then
press Yes. Press ON/OFF again to turn it off.
(4) Start/Stop operation of the temperature control of an oven
The ovens (isothermal oven, LSV, and FPD) are off even after the power is supplied. However,
the detector is turned on automatically after the power-on if the Automatic operation setting of the
System setting has been set to Yes.
The procedure to operate the temperature control of an oven is as follow:
 Starting the temperature control of an oven
(1) Change the user level.
(2) Press
the (OPR) in the navigation bar on the analyzer operation screen.
(3) Open the GCM tab.
(4) Set the operation mode to Manual.
(5) Press the Temperature controller operation in the SYS tab.
(6) Press ON/OFF of the temperature controller to be started and the message “Turn on”
appears on the screen, and then press Yes. Press ON/OFF again to turn it off.
2nd Edition : May 11, 2012-00