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21 • Operation
03 Series Operator’s Manual
2. Press and release the POWER MODE button to enter Display Mode.
The backlight will turn on and the PEAK Screen will appear.
The peak reading since the 03 Series was turned on is displayed.
3. If you do not want to clear the peak reading, continue to the next step.
If you want to clear the peak reading, press and hold the AIR button.
After a couple of seconds, the LCD will prompt you to hold the AIR
button with the following screen.
Hold the AIR button until the following screen appears, then release it.
The peak reading will be cleared and the unit will return to the PEAK
Screen.
4. Press and release the POWER MODE button again to proceed to the
STEL Screen. The STEL reading will be displayed.
PEAK
ppm
15
HOLD
CLEAR
- - - -
CLEAR
- - - -
STEL
ppm
5