7.3General operation of indication/operation panel
The measuring mode is assumed when power is turned ON. The gas concentra- tion appears on the main indication, while the range being used appears on the sub in- dication.
NO
Gas concentration | Range |
indication | indication |
Advice on Operation
✩When selecting the range
In the setting status, as shown in the figure at the right, the high range is selected when 
key is pressed, while the low range is selected when 
key is pressed.
Hige rang is selected when 
key is pressed
Low rang is selected when 
key is pressed
✩When selecting the gas component |
In the setting status, as shown in the figure |
at the right, the gas component can be set |
by pressing COMP key. |
Example: When COMP key is pressed |
while the 1st component is flash- |
ing, the flashing moves to the |
2nd component (figure at right). |
The setting for the 2nd compo- |
nent is now changeable. |
* The 1 component type analyzer is not pro- |
COMP | ENT ZERO SPAN CAL |
1st component
2rd component
3rd component
vided with COMP key. |
✩For releasing zero or span |
If a mistake has been made in zero or span |
calibration, then perform a reset in the fol- |
lowing way. |
The figure at the right shows an example. |
If SPAN key has been pressed mistakenly |
instead of ZERO key, then press SPAN |
key again. Calibration is released. |
If ZERO key has been pressed mistak- |
enly instead of SPAN key, the press |
ZERO key again. |
Calibration is released. |
Pressing changes the settable gas component.
ZERO SPAN
Pressed wrongly.
ZERO SPAN
The lamp blinks.
ZERO SPAN
Press again to extinguish the lamp.
Thus reset. Press the ZERO key afresh.
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