Riken Keiki OX-07, Руководство по эксплуатации, Страница: 12 / 25

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3-3. Changing the display in measuring mode
You can change the display mode by pressing the “DISP” button in measuring mode as follows:
・ Fresh air adjustment can be performed even in gas alarm condition.
・ When AIR adjustment error is issued, the LCD displays “AIR CAL FAIL”.
Release the air cal failure alarm according to the following steps.
1) Press and hold “AIR” button for about 3 seconds.
2) Release the “AIR” button when the LCD displays “RELEASE” in the upper
left corner.
3) About 4 seconds later, AIR CAL(Air adjustment) is cancelled, the LCD
displays “FINISH” and indicates the concentration before the adjustment.
* NOTE
Perform air adjustment in the fresh air atmosphere under the similar pressure,
temperature and humidity conditions to the operating environment.
If the air adjustment is done at detection place (where oxygen deficiency may
occur), the correct gas detection cannot be performed and oxygen deficiency
accident may take place.
DANGER
Continue to hold the AIR button Release the AIR button
Displaying gas
concentration
“DISP”
button
Displaying the peak
(lowest) gas reading
Return to measuring
mode
Displaying the peak
(highest) gas reading
％
％
％
％
“DISP”
button
“DISP”
button
“DISP”
button