9
AIRFLOW % SETTING
! USEFUL TIP 1: Use the “4-6 second rule” to determine adequate evacuation of
the laser; the “Airflow %” setting should be set to the value where you can
observe full evacuation of the fumes from the laser enclosure within 4-6 seconds
from the instant that the laser stops engraving/cutting. Check by opening the laser
top cover 4-6 seconds after the laser stops. There should NOT be any fumes visible.
If you cannot achieve the 4-6 second rule, you can try the 6-8 second rule, which is
also acceptable.
Set your “Airflow %” to the lowest possible setting that will adequately evacuate
the fumes from your laser. This ensures that you are using your filters to their
maximum potential which minimizes costs.
! USEFUL TIP 2: Start by setting your Filtrabox at 35% for a small sized laser and
incrementally increase, using the 4-6 second rule to determine the minimum
adequate evacuation setting.
SETTING THE AIRFLOW% SETTING
1. The Status screen is the first screen shown once the device has finished calibrating or finished
booting up. The device will display the current flow setting.
2. Turn on the blower by pressing the POWER key.
3. Set the “Airflow %” to the desired starting point by pressing the + or - keys.
! USEFUL REMINDER: Start by setting your Filtrabox at 35% for a small sized
laser and incrementally increase, using the 4-6 second rule to determine the
minimum adequate evacuation setting.
4. Start engraving/cutting on the most smoke/odor generating substrate you will typically use.
5. Adjust the “Airflow %” until you see significant movement of the fumes towards the laser intake
vents.
6. Check to see if you have achieved the adequate evacuation flow using the 4-6 second rule or the
6-8 second rule.
7. Continue adjusting your flow until you are satisfied with the performance. The “Airflow %”
value will be automatically saved to memory.
8. When the laser is not in use, press the POWER key to turn the blower(s) off.
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