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AIYI Technologies
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Zero calibration
:
1
.
After entering the menu, short press the function button to select the zero
calibration, the zero calibration indicator flashes, then short press the power
button to enter the zero calibration interface. At this time, the zero calibration
indicator keeps display, and the span calibration indicator and self-test indicator
are not displayed. Zero calibration interface is shown in the figure below.
2
.
Short press the function button to select the specific channel, and the gas
name keep flashes.
3. Short press the power button to do zero calibration. If the calibration is com-
pleted, the “End” prompt will be displayed. If the calibration fails, the “Err”
prompt will be displayed, as shown in the figure.
4. Press and hold the function button to exit the zero calibration operation and
return to the main interface.
Shutdown interface
Menu interface
Main interface
Menu interface
Zero calibration Calibration completed
Calibration failed
