Guzzanti GZ-995 Gebrauchsanleitung Seite 127

5. Particle Sensor (Every 2 months)
cotton swab
obr. 1 obr. 2
outer cover of particle sensor(fig 1), use the dry cotton swab to clean the lens (fig 2).
Tips
serious pollution), the filter life will be shortened. Please replace the filter in time.
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