How To Use - Horizon Fitness HA 500 User Manual

5. HOW TO USE

ION BUTTON
• Press this button to turn on the cluster ion generator. then the ion indicator illuminates.
LOCK BUTTON
• To set the lock mode, press the rotation and sleep buttons simultaneously for 3 seconds.
The word "LOCK" in the display blinks 2 times with buzzer sound.
• The other buttons do not work when the lock mode is on. If you press the other buttons in the
mode, the word "Loc" on the indicator illuminates with buzzer sound.
LEVEL OF THE ULTRA-FINE PARTICLES
What's the Fine dust
The size of the fine dust is lower than 10 µm.
What's Ultra-fine particles
The size of the ultra-fine particles is lower than 2.5 µm. And a study founded that smaller particles
are more harmful to the body.
Therefore, the advanced countries have introduced the standard of the-ultra-fine particles since
the late 1990s.
• Dust level is shown in number from 5 to 500.
• Dust level is established with reference to the data provided by a manufacturer of sensor.
• Ultra-fine particle level (colored) is made with reference to the ultra-fine particle level provided
by the Ministry of Environment.
• Ultra-fine particle level shown on the product may differ from the announcements of the Minis-
try of Environment.
• The Ministry of Environment estimates the ultra-fine particle level using gravimetric method and
beta-ray method. But HORIZON HA-500 air-purifier estimates.
the amount of dust and changes it into concentration. Therefore, the results could be different.
• Ultra-fine particle level may vary indoor and outdoor.