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AN500-EU-EN v1.5 1/13
6
Zero Adjustment
Press and hold the ZERO button for 1 second to zero the reading.
Backlight
Press the Zero/BL button at any time to turn on/off the backlight.
Airflow Parameters Settings
1. While in airflow measurement mode press and hold SET for 1 second to enter next step.
2. Momentarily press the ►or ◄ button to choose circle or rectangle function.
3. Press SET to enter next step.
4. Press ▲ or ▼ to adjust R in circle mode or L and W in rectangle mode. Adjustment will be from
0.0-101.5 cm in CMM mode or 0.0-40.0 in CFM mode.
5. Press SET to enter next step.
6. Press ▲ or ▼ to adjust GAIN from 0.10-1.00.
7. Press and hold the SET button for 1 second to store the settings in non-volatile memory and
return to the normal measurement mode. Or press the SET to return normal operation. The
airflow parameters will reset to the previous setting when next on.
8. While in Airflow parameters setting, the unit will return to normal operation if no button is
pressed for 8 seconds. The data will not be stored.